cassandra-content/strategies/premodern/premodern_oath_of_druids/1/guide.md

Strategy Specifications

Deck Name And Archetype

• Identity: Oath of Druids is a Premodern combo-control deck built around 4 Oath of Druids, 4 Terravore, heavy land disruption, mana acceleration from 4 Mox Diamond, and creature-land pressure from 4 Mishra's Factory and 4 Treetop Village. Treat the deck as an Oath-control shell with a prison/land-destruction subplan, not as a pure creature-combo deck.

• Count validation: The submitted main deck contains 60 cards exactly: 28 lands, 4 Mox Diamond, 4 Oath of Druids, 4 Sphere of Resistance, 4 Terravore, 4 Vindicate, 3 Swords to Plowshares, 3 Thermokarst, 3 Winter's Grasp, and 3 Sylvan Library. The submitted sideboard contains 15 cards exactly: 1 Aura of Silence, 1 Cataclysm, 1 Chill, 1 Circle of Protection: Red, 1 Earthquake, 1 Enlightened Tutor, 2 Naturalize, 1 Phantom Nishoba, 1 Phyrexian Furnace, 2 Pyroclasm, 1 Seal of Cleansing, 1 Swords to Plowshares, and 1 Tormod's Crypt.

• Format status: Premodern legality should be treated as configured-format intent, not independent rules certainty. Veles must rely on the registered deck, legal actions from the rules engine, and the active event legality layer; if the engine or tournament profile rejects any card, do not assume legality from this guide.

• Archetype tags: Use combo, control, graveyard, prison, land-destruction, and manland-pressure as the working tactical labels. The repeated user tags combo,control, graveyard, combo,control,graveyard collapse to combo/control/graveyard for indexing, with prison and land-denial added because 4 Sphere of Resistance, 3 Thermokarst, 3 Winter's Grasp, 4 Vindicate, 4 Wasteland, and 3 Rishadan Port materially define the game plan.

• Stock status: Classify this list as hybrid or rogue-hybrid rather than stock Oath of Druids. The deck plays Oath of Druids as a threat engine, but 4 Terravore plus 8 manlands and the land-destruction package create many games where the correct plan is to restrict mana, attack with lands, and use Oath as pressure or inevitability rather than immediately forcing a creature trigger.

• Role concern: The deck can accidentally conflict with itself because Oath of Druids rewards the opponent having more creatures, while Mishra's Factory, Treetop Village, and Terravore can put Veles into creature-combat games. The agent must check the visible creature counts before activating creature lands, casting Terravore, or choosing lines that turn off an otherwise valuable Oath of Druids trigger.

• Mana concern: The deck is powerful but color-stressed because it needs green for Oath of Druids, Thermokarst, Winter's Grasp, Sylvan Library, and Terravore; white for Swords to Plowshares and Vindicate; black for Vindicate; and sometimes sideboard red from City of Brass, Gemstone Mine, Grand Coliseum, or Mox Diamond for Earthquake or Pyroclasm. The agent should treat City of Brass, Gemstone Mine, Grand Coliseum, Mox Diamond, and Windswept Heath as key fixing resources rather than interchangeable lands.

• Graveyard concern: Terravore scales with lands in graveyards, and the deck's own Wasteland, fetchlands, Mox Diamond discards, Thermokarst, Winter's Grasp, and Vindicate can grow it quickly. The agent must still respect graveyard hate and public graveyard counts at runtime; never assume Terravore size, lethal damage, or survival without reading the engine-provided object state.

• Opponent information status: No opponent deck, metagame slot, or matchup label is supplied for this batch. The default pilot guide should therefore use broad Premodern categories only when sideboarding or role assignment later requires them, and runtime decisions must prioritize visible permanents, public graveyards, known revealed cards, legal actions, life totals, stack contents, and current clock over guessed hidden cards.

• Quality gate: This guide is intended for an MTG decision agent, so all later tactical rules must defer to rules-engine legality and visible state. If a card's exact Oracle or Premodern text matters and is not confidently known in context, the guide must say Card text check required and keep the instruction conditional.

Thesis

• Core plan: assemble 4 Oath of Druids plus a battlefield where the opponent has more creatures, then convert the trigger into 4 Terravore while the land-disruption shell makes that Terravore large and hard to answer. The deck wins many games by making lands go to graveyards with 4 Wasteland, 3 Thermokarst, 3 Winter's Grasp, 4 Vindicate, 3 Windswept Heath, and 4 Mox Diamond, then attacking with Terravore, 4 Mishra's Factory, or 4 Treetop Village under 4 Sphere of Resistance.

• Priority: protect mana and Oath access before chasing damage. A hand that casts Oath of Druids or Sphere of Resistance early and has functional colored mana is usually closer to the deck's plan than a hand with several attacks but no engine, no disruption, or no green source.

• What the deck is not: this is not a pure Oath deck that ignores normal board combat, and it is not a normal midrange creature deck that curves out freely. Activating Mishra's Factory, activating Treetop Village, or casting Terravore can shut off Oath of Druids if Veles becomes the player with equal or more creatures, so creature deployment must be checked against visible creature counts.

• Pressure model: use mana denial to turn every permanent into a time advantage. Sphere of Resistance, Rishadan Port, Wasteland, Thermokarst, Winter's Grasp, and Vindicate should often reduce the opponent's ability to double-spell or answer Oath of Druids, while Sylvan Library finds the next land, threat, or removal spell.

• Graveyard model: Terravore is both payoff and combat finisher, but its size must come from the engine state, not assumption. Treat public land counts in all graveyards as tactical context, and do not assume lethal, survival, or trample math until Veles reads the visible object stats and legal combat actions.

Role Package

• Threats: Terravore is the main nonland threat and the primary Oath of Druids hit; deploy it by Oath when possible, cast it when the Oath trigger is unavailable or when visible land graveyards already support pressure. Mishra's Factory and Treetop Village are secondary threats that should attack planes of weakness, but they must not be activated casually when Oath of Druids needs the opponent to control more creatures.

• Payoffs: Oath of Druids converts the opponent's creature presence into Terravore, and Terravore converts land destruction, fetchlands, Wasteland trades, and Mox Diamond discards into combat damage. Cataclysm and Phantom Nishoba are sideboard payoff pivots for matchups where a different endgame is needed; use them only when the legal action and visible board justify committing to that plan.

• Engines: Oath of Druids is the defining engine, Sylvan Library is the card-selection engine, and Sphere of Resistance is the prison engine that makes land destruction matter longer. Rishadan Port is a repeatable soft-lock tool when mana is available, especially after Wasteland, Thermokarst, Winter's Grasp, or Vindicate has already reduced the opponent's land base.

• Velocity: Sylvan Library improves draw quality and helps assemble Oath of Druids, Mox Diamond, missing colors, land denial, or a payoff threat. Windswept Heath is velocity only in the narrow sense of fixing and graveyard growth; preserve it when color access matters more than growing Terravore immediately.

• Interaction: Swords to Plowshares answers creatures that race, disable Oath math, or threaten survival; Vindicate answers the most important permanent across lands, creatures, enchantments, artifacts, or planes of attack available in the format. Thermokarst, Winter's Grasp, Wasteland, and Rishadan Port are interaction against mana, not just tempo plays.

• Protection: Sphere of Resistance protects the plan by taxing opposing answers, while land destruction protects the plan by removing the mana needed to answer Oath of Druids or Terravore. Aura of Silence, Seal of Cleansing, Naturalize, Chill, Circle of Protection: Red, Swords to Plowshares, Earthquake, and Pyroclasm are sideboard protection tools for specific pressure or permanent classes.

• Recursion: the registered list has no explicit recursion package. Treat graveyards as a scaling resource for Terravore and as a risk zone against opposing graveyard strategies, not as a zone Veles can reuse unless the rules engine presents a legal action from a card or effect.

• Mana: City of Brass, Gemstone Mine, Grand Coliseum, Mox Diamond, Windswept Heath, Forest, and Plains provide colored access, while Wasteland, Mishra's Factory, Treetop Village, and Rishadan Port supply utility and pressure. Preserve green access for Oath of Druids, Sylvan Library, Thermokarst, Winter's Grasp, and Terravore; preserve white and black access for Vindicate and Swords to Plowshares.

• Sideboard modules: Aura of Silence, Naturalize, and Seal of Cleansing fight artifacts and enchantments; Chill, Circle of Protection: Red, Earthquake, Pyroclasm, and the extra Swords to Plowshares fight creature pressure or red pressure; Enlightened Tutor finds key singletons when legal; Phyrexian Furnace and Tormod's Crypt fight graveyards; Cataclysm and Phantom Nishoba change the endgame when the default Terravore/Oath plan needs a different axis.

Primary Win Conditions

• Oath path: use Oath of Druids as the cleanest route to Terravore when the opponent controls more creatures than Veles and the rules engine presents the upkeep trigger or Oath-related legal action. Set up by keeping Veles's creature count low, avoiding unnecessary Mishra's Factory or Treetop Village activation before the trigger, and using Swords to Plowshares or Vindicate only when the opposing creature must be removed for survival or to stop a higher-priority threat.

• Oath execution: resolve Oath of Druids into Terravore, then attack only after checking visible Terravore power/toughness, trample relevance, blockers, removal windows, and life totals. Terravore size depends on public land cards in all graveyards, so value Wasteland trades, Windswept Heath use, Mox Diamond land discard, Thermokarst, Winter's Grasp, and Vindicate on lands as both mana denial and damage scaling.

• Land-denial Terravore path: cast Terravore manually when Oath of Druids is absent, inactive, removed, or tactically bad because Veles already controls creatures. Prioritize this path when visible graveyards already contain several lands, the opponent is constrained by Sphere of Resistance or land destruction, and Veles can deploy Terravore without sacrificing the ability to answer an immediate lethal or lock-breaking permanent.

• Prison-pressure path: use Sphere of Resistance plus Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate to prevent the opponent from casting clean answers while Terravore or creature-lands end the game. Prioritize this path against mana-light boards, expensive hands implied by missed plays, or opponents relying on a small number of colored sources; do not spend land destruction on low-impact targets when a visible source enables removal, combo, or recovery.

• Disruption management: protect the win path by sequencing Sphere of Resistance before repeated land denial when Veles can still cast its own spells, and by holding Vindicate for the permanent most likely to break the plan. If the opponent can remove Oath of Druids, kill Terravore, or race with a visible board, choose the action that preserves the engine or prevents lethal rather than the action that adds only marginal Terravore size.

Secondary Win Conditions

• Creature-land pressure: win with Mishra's Factory and Treetop Village when Oath of Druids is off, Terravore is unavailable, or the opponent is locked under mana denial. Activate only when attacking, blocking, or presenting lethal is worth the creature-count cost; do not animate a land before an Oath trigger if doing so would make Veles control equal or more creatures than the opponent.

• Mishra's Factory role: use Mishra's Factory as low-commitment pressure after the opponent is taxed by Sphere of Resistance or constrained by Wasteland and Rishadan Port. It is best when Veles can keep mana open for Port, removal, or another activation choice, and weakest when the activation exposes a land to creature removal or disrupts Oath of Druids math.

• Treetop Village role: use Treetop Village as a larger evasive-style attacker only after checking its legal activation cost, tapped status, summoning-sickness-equivalent restrictions from the engine, and available blockers. Its trample matters in stalled boards, but the decision still depends on visible combat math and whether spending mana prevents Swords to Plowshares, Vindicate, Rishadan Port, or another stabilizing action.

• Sylvan Library value path: use Sylvan Library to assemble the missing piece rather than to chase abstract card advantage. Prioritize finding Oath of Druids, Terravore, green mana, Mox Diamond plus land, land destruction, or a required answer; pay life for extra cards only when the life total, clock, and visible pressure make the exchange safe or necessary.

• Sideboard pivot pressure: after sideboarding, Phantom Nishoba and Cataclysm can become alternative endgames when the rules engine presents legal actions and the visible board supports that commitment. Card text check required for exact tactical thresholds; treat both as high-commitment plays that require evaluating opposing mana, battlefield, life total, and whether Terravore/Oath remains the better plan.

• Burn or sweeper finish: Earthquake and Pyroclasm are sideboard tools that may clear blockers, reset creature pressure, or finish low life totals only if their legal action text and visible damage math confirm the outcome. Do not assume damage, prevention, or protection results without engine output.

Emergency Lines

• Behind on life: stabilize before advancing the engine when visible attacks threaten lethal or force bad Sylvan Library payments. Use Swords to Plowshares, Vindicate, Pyroclasm, Earthquake, Circle of Protection: Red, Chill, or creature-land blocks only when legal and visible board state shows they reduce the immediate clock.

• Behind on board: preserve Oath of Druids if the opponent's extra creatures can be converted into Terravore, but remove creatures when they create lethal, disable attacks, or make Oath too slow. Avoid adding Veles creatures unless blocking, racing, or lethal pressure is more important than a future Oath trigger.

• Behind on cards: lean on Sylvan Library selection, mana denial, and high-impact Vindicate targets instead of trading one-for-one into a stronger late game. Extra Sylvan Library cards are emergency resources, not defaults; take them only when life loss will not make visible combat or burn lethal.

• Behind on mana: prioritize colored access and Mox Diamond functionality before utility-land aggression. Keep green for Oath of Druids, Sylvan Library, Thermokarst, Winter's Grasp, and Terravore; keep white and black access for Vindicate and Swords to Plowshares; delay Mishra's Factory or Treetop Village activations when they consume mana needed to cast stabilizers.

• Engine removed: switch from Oath of Druids to manual Terravore, creature-land pressure, and land-denial lock lines. If Terravore is removed or unavailable, win by constraining mana with Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate while attacking with Mishra's Factory or Treetop Village.

• Graveyard plan disrupted: verify Terravore's current engine-reported stats before committing to combat or casting it. If graveyards are small or hate is visible, emphasize Oath setup, land destruction that rebuilds land counts, and creature-land damage rather than assuming Terravore will be lethal.

• Combo or lock pressure: use Vindicate, Swords to Plowshares, Aura of Silence, Seal of Cleansing, Naturalize, Phyrexian Furnace, or Tormod's Crypt only against visible permanents, graveyards, or legal targets that the engine exposes. When unsure whether an opposing object is the key combo piece, prefer the action that stops an immediate visible win or preserves Veles from losing before the next Oath or Terravore attack.

Resource Model

• Life is a spendable buffer for Sylvan Library only when visible pressure, known burn risk, and combat math leave Veles alive after the payment. Preserve life aggressively against creature swarms, red decks, and boards where Swords to Plowshares on an opposing creature would stabilize more reliably than drawing extra cards.

• Hand size is fuel for Mox Diamond, land drops, and recovery after Sphere of Resistance taxes both players. Do not discard a scarce colored source to Mox Diamond unless the resulting mana casts Oath of Druids, Sylvan Library, Sphere of Resistance, Vindicate, or a critical land-destruction spell on time.

• Mana is the deck's main battlefield resource because Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate convert available lands into tempo denial. Spend mana to constrain the opponent before adding pressure when the opponent is mana-light, but spend mana on Swords to Plowshares or Vindicate first when a visible permanent threatens lethal, Oath of Druids, or the lock.

• Board presence must be managed around Oath of Druids creature counts. Avoid animating Mishra's Factory or Treetop Village, casting Terravore, or adding Phantom Nishoba if doing so prevents an Oath trigger that is otherwise legal and valuable; break that rule only when blocking, lethal pressure, or engine failure makes creature presence more important.

• Graveyards are win-condition material because Terravore scales from engine-reported graveyard contents. Land destruction, fetch lands, Wasteland use, and normal trades can grow Terravore, but always check current visible stats rather than assuming size from memory.

• Exile is mostly an interaction ledger, not a primary resource. Track Swords to Plowshares exiled creatures, Tormod's Crypt effects, Phyrexian Furnace effects, and any Oath of Druids or replacement outcomes exactly as the engine reports them; do not infer future recursion denial beyond visible public zones.

• Lands are both mana and spells in this deck. City of Brass, Gemstone Mine, Grand Coliseum, Forest, Plains, and Windswept Heath support colors; Mishra's Factory and Treetop Village become threats; Rishadan Port and Wasteland are disruption; every land discarded to Mox Diamond or spent through Wasteland changes both mana capacity and Terravore math.

• Sacrifice fodder is limited and usually not generic. Treat Wasteland as a self-spending denial land only when the legal action names a relevant opposing nonbasic; treat sideboard cards such as Cataclysm, Phyrexian Furnace, and Tormod's Crypt according to engine text, with Card text check required for exact sacrifice or choice details.

• Tempo is created by making the opponent's next turn fail. Sphere of Resistance before land destruction is often stronger when Veles can still operate; land destruction before Sphere is stronger when the opponent has a single key colored source or when Veles cannot pay its own tax afterward.

• Information comes from visible lands, missed land drops, creature counts, revealed cards, graveyards, and current legal actions. Use public evidence to choose whether to press Oath of Druids, Terravore, land denial, or removal; never assume hidden removal, hidden creatures, or exact hand contents unless revealed.

• Sideboard bullets are narrow resources that should answer visible matchup problems. Aura of Silence, Naturalize, Seal of Cleansing, Phyrexian Furnace, Tormod's Crypt, Chill, Circle of Protection: Red, Pyroclasm, Earthquake, Cataclysm, Enlightened Tutor, Swords to Plowshares, and Phantom Nishoba should be valued by matchup role and legal targets, not by generic card quality.

Mana Guide

• Green access is the highest baseline color requirement because Oath of Druids, Sylvan Library, Terravore, Thermokarst, and Winter's Grasp all depend on it. A keep should normally have green mana or Mox Diamond plus a land plan that creates green before the first important green spell.

• White access is required for Swords to Plowshares and Vindicate, while black access is required for Vindicate. Prioritize City of Brass, Gemstone Mine, Grand Coliseum, and Mox Diamond fixing when the hand contains Vindicate, because Vindicate is the cleanest answer to permanents that beat Oath or the mana-denial plan.

• Colorless and utility lands are powerful but risky in opener-heavy hands. Mishra's Factory, Rishadan Port, Treetop Village, and Wasteland should not be counted as full colored sources; keep multiple utility-land hands only when Mox Diamond, Forest, City of Brass, Gemstone Mine, Grand Coliseum, or Windswept Heath covers the actual spell sequence.

• Tapped-land sequencing matters because Treetop Village enters tapped and can delay Oath of Druids or Sphere of Resistance by a turn. Play Treetop Village early when the current turn has no critical spell; delay it when an untapped colored land lets Veles cast Oath of Druids, Sylvan Library, Swords to Plowshares, or Sphere of Resistance immediately.

• Mox Diamond sequencing should convert excess lands into a faster lock or engine, not merely empty the hand. Prefer discarding redundant utility lands or extra copies of colors already covered; avoid discarding the only green source, the only white/black source for Vindicate, or the land needed to make future Sphere of Resistance taxes payable.

• Wasteland and Rishadan Port should be sequenced after checking Veles's own mana needs under Sphere of Resistance. Use Wasteland when denying a visible nonbasic matters more than keeping the land for mana or creature-land pressure; use Rishadan Port when holding mana open constrains the opponent without sacrificing Veles's next spell.

• Windswept Heath should normally fetch the color the current hand lacks, with green favored for Oath of Druids and Sylvan Library unless white is needed for Swords to Plowshares or a future Vindicate fixing line. Delay cracking only when Sylvan Library or visible information makes the shuffle decision tactically relevant and life/tempo allow it.

• Play lands before draw effects when mana is needed immediately for legal actions or when Sphere of Resistance taxes the turn. Hold a land until after Sylvan Library selection when the land drop is not needed yet, because the draw decision may change whether Veles needs colored access, Wasteland, Rishadan Port, or a creature-land.

• Mulligan mana-light hands that cannot cast Oath of Druids, Sylvan Library, Sphere of Resistance, or interaction before falling behind. Keep slower hands only when they contain stable colored mana, a coherent disruption curve, and a visible plan to either enable Oath or deny the opponent enough mana for Terravore and creature-lands to matter.

Mulligan Guide

• Strong keep: Keep hands with green access plus Oath of Druids and a clean first-two-turn plan, especially City of Brass, Forest, Windswept Heath, or Mox Diamond supporting Oath of Druids with Sphere of Resistance, Swords to Plowshares, or land destruction. This hand is strongest against creature decks because Oath of Druids can become the main engine once the opponent controls more creatures than Veles.

• Strong keep: Keep Mox Diamond hands that accelerate a decisive lock or engine while retaining enough lands to pay future costs. A hand such as Mox Diamond, two or more lands, Oath of Druids or Sphere of Resistance, and Thermokarst, Winter's Grasp, Vindicate, or Sylvan Library is strong when the discarded land is not the only critical color.

• Medium keep: Keep colored-mana disruption hands without Oath of Druids when they cast Sphere of Resistance or Sylvan Library early and follow with Thermokarst, Winter's Grasp, Vindicate, Rishadan Port, or Wasteland. These hands should win by choking mana into Terravore or creature-land pressure, not by waiting passively to draw Oath of Druids.

• Medium keep: Keep Terravore hands only when the mana works and the hand can place lands into graveyards through Windswept Heath, Wasteland, Thermokarst, Winter's Grasp, or normal trades. Do not keep Terravore as a lone plan when the hand cannot cast early interaction or create graveyard size.

• Risky keep: Treat Oath of Druids with no interaction and no acceleration as risky against decks that may not present creatures quickly. Keep it only when the mana is stable and the rest of the hand has Sylvan Library, Sphere of Resistance, or land denial to avoid doing nothing.

• Risky keep: Treat utility-land-heavy hands as risky even when they contain powerful cards. Mishra's Factory, Treetop Village, Rishadan Port, and Wasteland do not by themselves cast Oath of Druids, Sylvan Library, Swords to Plowshares, Thermokarst, Winter's Grasp, or Vindicate.

• Automatic ship: Mulligan hands with no green source and no Mox Diamond path to green. This deck cannot reliably execute its engine, draw smoothing, land destruction, or Terravore plan without green mana.

• Automatic ship: Mulligan zero-land hands, one-land hands without Mox Diamond plus a castable plan, and hands where Mox Diamond must discard the only land that makes the hand functional. Also ship hands made mostly of Mishra's Factory, Treetop Village, Rishadan Port, and Wasteland when colored spells are stranded.

• Matchup-dependent keep: Against fast creature decks, prioritize Oath of Druids, Swords to Plowshares, and stable green/white mana over slower Rishadan Port pressure. Against spell-heavy or mana-greedy decks, prioritize Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate over creature removal.

• Play/draw adjustment: On the play, value Mox Diamond into Sphere of Resistance, Oath of Druids, or land destruction because the opponent has less time to deploy mana. On the draw, value Swords to Plowshares, faster Oath of Druids, and untapped colored sources because the opponent may already have a creature or pressure engine.

• Trap hand: Do not keep Oath of Druids plus Terravore plus creature-lands as if all pieces naturally cooperate. Casting Terravore or animating Mishra's Factory or Treetop Village can interfere with Oath of Druids creature-count conditions, so the hand needs a clear first plan.

• Trap hand: Do not keep Sylvan Library plus expensive disruption when the only mana is Treetop Village, Rishadan Port, Wasteland, or a painful single source under expected pressure. Sylvan Library is powerful only if Veles survives and can convert selection into legal actions.

Turn Arc

• Turn 1 preferred play: Cast Mox Diamond only when it enables immediate Oath of Druids, Sphere of Resistance, Sylvan Library, or a strong turn-two land-destruction sequence without sacrificing the only needed color. If no accelerated spell is available, play the land that best fixes next turn, with Treetop Village favored when the turn would otherwise be idle.

• Turn 1 disruption line: Use Wasteland only when the opponent exposes a nonbasic whose loss materially constrains their next turn and Veles still has enough mana to execute its own plan. Otherwise, develop colored mana first and save Wasteland for a higher-impact denial window.

• Turn 1 defense line: Hold Swords to Plowshares for a visible creature that threatens immediate damage, enables an opposing engine, or blocks Oath of Druids timing. Do not spend it just because it is legal if Oath of Druids is about to exploit the opponent controlling more creatures.

• Turn 2 preferred play: Cast Oath of Druids when the opponent is likely to have or already has more creatures and Veles can avoid adding its own creature. Cast Sphere of Resistance first when taxing the opponent will delay removal, combo setup, or multiple-spell turns and Veles can still pay its own future costs.

• Turn 2 mana-denial play: Cast Thermokarst or Winter's Grasp when the opponent's visible land count or color access makes the next turn fail. Use Vindicate instead when the best legal target is a permanent that land destruction cannot answer or when black/white mana is available and the target is urgent.

• Turn 3 preferred play: Convert the opening into inevitability by combining Oath of Druids, Sphere of Resistance, land destruction, and Rishadan Port. If Oath of Druids is active, avoid casting Terravore or animating creature-lands unless blocking, lethal pressure, or a failed Oath plan requires it.

• Turn 3 pressure play: Cast Terravore when graveyards already contain enough lands for a meaningful threat and Oath of Druids is not the cleaner active plan. Use Mishra's Factory or Treetop Village pressure when mana denial has slowed the opponent and Veles can still represent needed interaction.

• Turns 4-5 preferred play: Lock the opponent's mana while turning the corner with Terravore, Mishra's Factory, Treetop Village, or an Oath of Druids threat. Prioritize Rishadan Port and Wasteland activations over extra spells when the opponent is bottlenecked on a key color or exact mana count.

• Turns 4-5 deviation: Spend Vindicate or Swords to Plowshares before additional land destruction when a visible creature, permanent, or stack-related threat would break the lock or race Veles. Use Sylvan Library selection to find the missing role rather than forcing a low-impact action.

• Late-game preferred play: Reassess from visible board state rather than following the opener plan. If Oath of Druids is active, protect the trigger conditions; if Terravore is large, preserve it and clear blockers; if creature-lands are the only pressure, sequence activations around removal, blockers, and Rishadan Port needs.

• Late-game emergency play: Use Vindicate, Swords to Plowshares, Wasteland, and Rishadan Port to prevent lethal or stop a decisive permanent before pursuing value. If Sylvan Library offers risky extra cards, take them only when life total and the visible clock permit the payment.

Card Roles

• Oath of Druids: Treat Oath of Druids as the deck's highest-leverage engine, not as a generic value enchantment. Cast it early when the opponent controls or is likely to control more creatures, then avoid adding your own creatures unless the board, life total, or legal action set makes that necessary. Oath of Druids turns opposing creature development into Terravore access and graveyard fuel, so its best games combine a fast Oath with Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate to stop the opponent from answering the threat. Do not assume Oath will trigger if Veles controls an animated Mishra's Factory, animated Treetop Village, or cast Terravore; always compare current creature counts from engine state.

• Terravore: Use Terravore as the main natural finisher and the default Oath of Druids creature hit. Cast Terravore when graveyards already contain enough lands to create a fast clock, when Oath of Druids is inactive, or when pressuring the opponent is better than preserving creature-count asymmetry. Hold Terravore when casting it would shut off a live Oath of Druids trigger, expose the only finisher to obvious removal without pressure payoff, or leave mana unavailable for urgent denial or removal. Terravore scales with fetchlands, Wasteland, opposing lands destroyed by Thermokarst, Winter's Grasp, and Vindicate, and lands milled by Oath of Druids, so do not evaluate it from current battlefield size alone.

• Swords to Plowshares: Reserve Swords to Plowshares for creatures that break the Oath plan, create lethal pressure, enable an opposing engine, or block a finishing Terravore. Avoid firing Swords to Plowshares merely because a target exists; an opposing creature can be useful when it turns on Oath of Druids. Use it earlier against fast aggro, creature-combo, or a creature that invalidates combat, and use it later against control when the opponent's creature is mostly bait. The life gain matters in races, so prefer Vindicate or mana denial for nonlethal creatures when Terravore or creature-land damage is the current route to closing.

• Thermokarst: Use Thermokarst as proactive mana denial that also grows Terravore by putting lands into graveyards. Cast it when destroying a visible land cuts the opponent off a color, keeps them below a key mana count, strands known public resources, or makes Sphere of Resistance more punishing. Do not use it on the least relevant land when Wasteland can answer a nonbasic and Thermokarst can hit a more important basic later. Card text check required for secondary effects; tactical use should rely on the land-destruction role unless the rules engine exposes additional relevant text.

• Winter's Grasp: Use Winter's Grasp as extra copies of the land-destruction plan, especially after Sphere of Resistance or Rishadan Port has already narrowed the opponent's mana. Prioritize targets that prevent the opponent from casting removal for Oath of Druids or Terravore, recovering through the tax, or double-spelling out of the lock. Do not spend Winter's Grasp into a low-impact land if a creature, artifact, enchantment, or planes-equivalent permanent is the actual threat and Vindicate can answer it. Card text check required for exact wording; treat it tactically as land destruction unless engine text indicates more.

• Vindicate: Treat Vindicate as the flexible answer that completes the prison-control package. Use it on lands when mana denial is already working or when a single land is the opponent's escape point, but use it on creatures, enchantments, artifacts, or other visible permanents when those permanents defeat Oath of Druids, race Terravore, or unlock the opponent's hand. Avoid spending Vindicate on a target that Wasteland, Thermokarst, Winter's Grasp, Naturalize-sideboard roles, or Swords to Plowshares can cover more efficiently unless timing is urgent. Because Vindicate requires colored mana and is taxed by Sphere of Resistance, plan Mox Diamond and pain lands around actually casting it.

• Mox Diamond: Use Mox Diamond to accelerate into Oath of Druids, Sphere of Resistance, Sylvan Library, or turn-two land destruction while fixing the deck's demanding colors. Do not cast it when discarding the land makes the rest of the hand nonfunctional, removes the only green source for Oath of Druids or land destruction, or leaves too few lands to use Rishadan Port and creature-lands later. Mox Diamond is strongest before Sphere of Resistance because it lets Veles stay ahead of its own tax. In long games, remember that the discarded land grows Terravore and can make early Terravore lines more credible.

• Sphere of Resistance: Deploy Sphere of Resistance when Veles is ahead on mana, has Mox Diamond, has utility lands to spend turns productively, or can follow with Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, or Vindicate. Hold or delay Sphere of Resistance when it would lock Veles out of casting Oath of Druids, Swords to Plowshares, Sylvan Library, or necessary land destruction before the opponent is meaningfully constrained. Sphere of Resistance is best against spell-heavy decks, greedy mana, combo, and control attempting multiple cheap plays. Against fast creature pressure, it is support for Oath and removal, not a substitute for stabilizing.

• Sylvan Library: Use Sylvan Library as card selection that finds the missing role: Oath of Druids, mana denial, removal, colored mana, or a finisher. Cast it early when life total is not under immediate pressure and mana can support follow-up plays through Sphere of Resistance. Do not pay life for extra cards automatically; pay when the visible clock, hand quality, and matchup make extra cardboard worth the life loss. Sylvan Library is especially strong in stalled lock games where repeated selection finds Wasteland, Rishadan Port, Vindicate, or Terravore, but it is weak when Veles is dying to creatures and needs immediate board impact.

• Wasteland: Use Wasteland as both disruption and Terravore fuel. Fire it when a nonbasic is essential to the opponent's colors, tempo, or utility plan, especially under Sphere of Resistance or alongside Rishadan Port. Hold it when Veles needs mana development more than immediate denial, or when waiting will expose a higher-value nonbasic. Do not sacrifice Wasteland just to grow Terravore if the opponent's mana is already weak and Veles still needs land drops.

• Rishadan Port: Use Rishadan Port to convert mana advantage into repeated denial after the opponent is constrained. Port upkeep or key-step mana when it prevents a known color, a critical mana total, or a likely removal window. Do not overuse Rishadan Port when spending that mana prevents casting Oath of Druids, removal, land destruction, or activating a lethal creature-land. Port is strongest with Sphere of Resistance and Wasteland because each mana denied becomes more punishing.

• Mishra's Factory: Use Mishra's Factory as a resilient secondary threat, blocker, and mana source, but respect that animating it can change creature counts for Oath of Druids. Attack with Mishra's Factory when Oath is inactive, the opponent is mana-locked, or incremental damage matters more than preserving Oath conditions. Block with it when survival or trading is worth the temporary creature count change. Avoid exposing it into obvious removal if it is needed as mana for taxed spells.

• Treetop Village: Use Treetop Village as delayed pressure that survives sorcery-speed removal and closes games after land denial. Playing it tapped is often acceptable on idle early turns, but do not let too many tapped lands strand Oath of Druids, Sylvan Library, or Swords to Plowshares. Animate it when the attack is materially advancing lethal, pressuring a planeswalker-like permanent if present, or defending against a race; avoid animation when it turns off a needed Oath trigger.

• City of Brass: Treat City of Brass as premium color fixing with real life-cost pressure. Use it to cast Oath of Druids, Swords to Plowshares, Vindicate, Sylvan Library, and sideboard colors when necessary, but prefer less painful sources when life total is under attack or Sylvan Library may ask for life. Do not ignore City of Brass damage in races against red or creature decks.

• Gemstone Mine and Grand Coliseum: Use Gemstone Mine and Grand Coliseum to cover awkward color requirements, especially white for Swords to Plowshares and black-white for Vindicate. Spend Gemstone Mine counters on high-impact colored spells rather than routine plays when other sources can pay. Use Grand Coliseum carefully under pressure because painful fixing plus Sylvan Library and City of Brass can compress the safe life window.

• Forest, Plains, and Windswept Heath: Use Forest as the stable base for Oath of Druids, Sylvan Library, Thermokarst, Winter's Grasp, and Terravore. Use Plains to reduce reliance on painful white sources for Swords to Plowshares and Vindicate support. Use Windswept Heath to fix mana, put lands into graveyards for Terravore, and improve Sylvan Library card quality when shuffle timing is legal and useful. Do not fetch or shuffle automatically if Sylvan Library has arranged useful top cards.

Card Hover Notes

City of Brass

• Deck role: Main deck, 4 copies, premium mana resource for a color-stressed Oath/land-denial shell.
• Role type: mana/fixing/ramp.
• Deck-specific job: Casts color-intensive or splash requirements that utility lands cannot cover: Oath of Druids, Terravore, Thermokarst, Winter's Grasp, Sylvan Library, Swords to Plowshares, Vindicate, and post-board Chill, Earthquake, Pyroclasm, Aura of Silence, Cataclysm, Circle of Protection: Red, Naturalize, Phantom Nishoba, and Seal of Cleansing.
• Timing: Use early when it unlocks Oath of Druids, Sphere of Resistance plus follow-up colored spells, or Vindicate; prefer Forest, Plains, Gemstone Mine, Grand Coliseum colorless mode, Mox Diamond, or Windswept Heath targets when life is under pressure.
• Inputs / outputs: Tapping it produces one mana of any color and deals 1 damage to you whenever it becomes tapped.
• Partners / packages: Best with Mox Diamond for fast Oath of Druids or Sphere of Resistance; conflicts with Sylvan Library life payments and burn pressure.
• Role peers: Closest fixing peers are Gemstone Mine, Grand Coliseum, Mox Diamond, and Windswept Heath for Forest or Plains.
• Failure modes: Treating the damage as free can make Sylvan Library, Earthquake, creature attacks, or red damage lethal.
• Matchup / visibility hooks: Against red pressure, prefer non-painful Forest, Plains, Treetop Village green, or Mox Diamond mana when possible.

Forest

• Deck role: Main deck, 3 copies, basic green mana resource and Windswept Heath target.
• Role type: mana/fixing/ramp.
• Deck-specific job: Provides stable green for Oath of Druids, Sylvan Library, Terravore, Thermokarst, Winter's Grasp, Naturalize, Phantom Nishoba, and Treetop Village activations without City of Brass or Grand Coliseum damage.
• Timing: Fetch or play Forest early when green spells define the hand; delay Windswept Heath fetching only when Sylvan Library top-card management makes the shuffle valuable and mana is not needed immediately.
• Inputs / outputs: Taps for {G}; entering untapped lets it support turn-one Mox Diamond follow-ups or turn-two Oath of Druids/Sylvan Library naturally.
• Partners / packages: Works with Windswept Heath as a fetch target and with Mox Diamond as a land to preserve, not discard, when green is scarce.
• Role peers: Closest green peers are City of Brass, Gemstone Mine, Grand Coliseum colored mode, Mox Diamond, Treetop Village, and Windswept Heath.
• Failure modes: Discarding the only Forest to Mox Diamond can strand Oath of Druids, Terravore, Thermokarst, Winter's Grasp, or Sylvan Library.
• Matchup / visibility hooks: Against Wasteland-style pressure or red damage, Forest is safer than City of Brass and Grand Coliseum for repeated green mana.

Gemstone Mine

• Deck role: Main deck, 1 copy, finite rainbow mana resource.
• Role type: mana/fixing/ramp.
• Deck-specific job: Covers awkward early color mixes, especially Swords to Plowshares plus Oath of Druids, or Vindicate's {1}{W}{B}, without needing City of Brass damage.
• Timing: Spend mining counters on high-impact colored spells; use Forest, Plains, Treetop Village, Mox Diamond, or pain lands for routine payments when Gemstone Mine counters are the only path to future Vindicate or sideboard red.
• Inputs / outputs: Enters with three mining counters; tapping and removing a mining counter adds one mana of any color, then the land is sacrificed if it has no mining counters.
• Partners / packages: Pairs with Mox Diamond and City of Brass to cast Oath of Druids, Vindicate, Swords to Plowshares, Chill, Earthquake, or Pyroclasm through a utility-heavy draw.
• Role peers: Closest fixing peers are City of Brass, Grand Coliseum, Mox Diamond, and Windswept Heath for Forest or Plains.
• Failure modes: Spending the last counter casually can cut off black for Vindicate or red for Earthquake/Pyroclasm.
• Matchup / visibility hooks: Against fast pressure, its painless fixing is valuable, but sacrificing it can also grow Terravore only if the mana loss is acceptable.

Grand Coliseum

• Deck role: Main deck, 1 copy, slow rainbow/colorless mana resource.
• Role type: mana/fixing/ramp.
• Deck-specific job: Supplies {C} painlessly for Sphere of Resistance, Mishra's Factory activation, Rishadan Port activation, or generic costs, and supplies any color at a 1-life cost for Oath of Druids, Swords to Plowshares, Vindicate, and sideboard splash cards.
• Timing: Play it early on idle turns because it enters tapped; avoid relying on it for turn-two Oath of Druids or Swords to Plowshares unless it was already deployed.
• Inputs / outputs: Enters tapped; taps for {C}, or taps for one mana of any color and deals 1 damage to you.
• Partners / packages: Strong with Sylvan Library when it finds missing colors, but the damage stacks with City of Brass, Windswept Heath, and Sylvan Library life payments.
• Role peers: Closest fixing peers are City of Brass, Gemstone Mine, Mox Diamond, and Windswept Heath.
• Failure modes: Treating Grand Coliseum as untapped fixing can miss a key Oath of Druids, Swords to Plowshares, or Vindicate window.
• Matchup / visibility hooks: Against burn or creature pressure, use the {C} mode for generic costs when colored pain is not required.

Mishra's Factory

• Deck role: Main deck, 4 copies, utility mana resource and secondary creature-land threat.
• Role type: mana/fixing/ramp; threat/clock; protection/evasion.
• Deck-specific job: Provides {C}, attacks or blocks as a 2/2 Assembly-Worker artifact creature, and can tap to give target Assembly-Worker creature +1/+1 until end of turn, which usually means another animated Mishra's Factory or itself if already animated and untapped through the legal action set.
• Timing: Keep it as mana when Sphere of Resistance taxes matter, Rishadan Port is needed, or Oath of Druids needs Veles to control fewer creatures; animate only for meaningful attacks, blocks, or lethal pressure.
• Inputs / outputs: Produces {C}; {1} makes it a 2/2 Assembly-Worker artifact creature land until end of turn; tapping for +1/+1 spends its mana/use for the turn.
• Partners / packages: Pressure partner with Treetop Village and Terravore; tension partner with Oath of Druids because animation changes creature counts.
• Role peers: Closest role overlap is Treetop Village as another creature-land; Rishadan Port and Wasteland are utility-land peers without normal combat pressure.
• Failure modes: Casual animation can turn off Oath of Druids, expose a land to creature removal, or consume mana needed for Swords to Plowshares or Vindicate.
• Matchup / visibility hooks: Strong against control after mana denial; risky against instant-speed removal or boards where blocking is required next turn.

Plains

• Deck role: Main deck, 1 copy, basic white mana resource and Windswept Heath target.
• Role type: mana/fixing/ramp.
• Deck-specific job: Provides painless white for Swords to Plowshares, Vindicate support, Aura of Silence, Cataclysm, Circle of Protection: Red, Enlightened Tutor, Phantom Nishoba, and Seal of Cleansing.
• Timing: Fetch or play Plains when white interaction is the bottleneck; favor Forest instead when Oath of Druids, Sylvan Library, Terravore, Thermokarst, or Winter's Grasp is stranded.
• Inputs / outputs: Taps for {W}; entering untapped lets it hold Swords to Plowshares immediately.
• Partners / packages: Windswept Heath can find Plains; Mox Diamond and City of Brass can cover black for Vindicate after Plains supplies white.
• Role peers: Closest white peers are City of Brass, Gemstone Mine, Grand Coliseum colored mode, Mox Diamond, and Windswept Heath.
• Failure modes: Fetching Plains too early can leave green spells uncastable; discarding it to Mox Diamond can remove the deck's painless white source.
• Matchup / visibility hooks: Against red decks, Plains is especially important for Circle of Protection: Red and Swords to Plowshares without City of Brass or Grand Coliseum damage.

Rishadan Port

• Deck role: Main deck, 3 copies, utility mana resource and repeatable mana-denial piece.
• Role type: mana/fixing/ramp; engine piece; role glue.
• Deck-specific job: Converts spare mana into repeated land tapping, making Sphere of Resistance, Wasteland, Thermokarst, Winter's Grasp, and Vindicate land lines more punishing.
• Timing: Use during the opponent's upkeep when tapping target land denies a key color or mana count; hold the mana when Veles must cast Oath of Druids, Swords to Plowshares, Vindicate, Naturalize, or activate Circle of Protection: Red.
• Inputs / outputs: Taps for {C}; paying {1} and tapping it taps target land.
• Partners / packages: Best with Sphere of Resistance, Wasteland, Thermokarst, Winter's Grasp, and Vindicate on lands; competes with Mishra's Factory and Treetop Village activations for mana.
• Role peers: Wasteland is the closest mana-denial peer, but Wasteland destroys nonbasic lands once while Rishadan Port repeatedly taps any target land.
• Failure modes: Overusing Port can strand Veles's own colored spells under Sphere of Resistance.
• Matchup / visibility hooks: Highest value against mana-light, splash-color, combo, and control boards; lower value when creatures are already forcing immediate removal.

Treetop Village

• Deck role: Main deck, 4 copies, tapped green mana resource and secondary trampling creature-land threat.
• Role type: mana/fixing/ramp; threat/clock; protection/evasion.
• Deck-specific job: Supplies green for Oath of Druids, Sylvan Library, Terravore, Thermokarst, Winter's Grasp, and Naturalize, then becomes a 3/3 green Ape creature with trample to close games after mana denial.
• Timing: Play on turns where entering tapped does not delay Oath of Druids, Sylvan Library, Swords to Plowshares, or Sphere of Resistance; animate only when attacking, blocking, or lethal pressure is worth the {1}{G} and creature-count change.
• Inputs / outputs: Enters tapped; taps for {G}; {1}{G} makes it a 3/3 green Ape creature with trample until end of turn.
• Partners / packages: Pressure partner with Mishra's Factory and Terravore; tension partner with Oath of Druids because animation can prevent an upcoming Oath trigger.
• Role peers: Closest role peer is Mishra's Factory; Treetop Village hits harder and has trample but costs green and enters tapped.
• Failure modes: Early tapped sequencing can miss a key engine turn, and animation can consume the green needed for Naturalize, Terravore, or land destruction.
• Matchup / visibility hooks: Strong versus control and removal-light stalled boards; risky versus fast decks when tapped entry or activation mana slows stabilization.

Wasteland

• Deck role: Main deck, 4 copies, utility mana resource and land-denial spell land.
• Role type: mana/fixing/ramp; interaction-removal; engine fuel/material.
• Deck-specific job: Destroys target nonbasic land while putting itself and the target land into graveyards, constraining mana and increasing Terravore's power and toughness.
• Timing: Use when a nonbasic land provides a missing color, key utility, or escape from Sphere of Resistance; hold when Veles needs the {C}, when a higher-value nonbasic is likely, or when colored development matters more.
• Inputs / outputs: Taps for {C}; tapping and sacrificing it destroys target nonbasic land.
• Partners / packages: Core with Terravore, Sphere of Resistance, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate on lands.
• Role peers: Thermokarst and Winter's Grasp destroy target lands as sorceries; Rishadan Port taps target land repeatedly; Vindicate can destroy any target permanent.
• Failure modes: Sacrificing Wasteland only to grow Terravore can leave Veles unable to cast taxed spells or activate creature-lands.
• Matchup / visibility hooks: Excellent against nonbasic-heavy, splash-color, utility-land, and big-mana decks; weaker against basic-heavy boards where no legal Wasteland target matters.

Windswept Heath

• Deck role: Main deck, 3 copies, land-search fixing resource and Terravore fuel.
• Role type: tutor/search; mana/fixing/ramp; engine fuel/material.
• Deck-specific job: Searches only for a Forest or Plains card from this registered deck, putting Forest or Plains onto the battlefield to fix green or white while placing Windswept Heath into the graveyard for Terravore.
• Timing: Crack when the fetched Forest or Plains is needed for Oath of Druids, Sylvan Library, Swords to Plowshares, Terravore, Thermokarst, Winter's Grasp, Vindicate support, or sideboard white/green cards; delay when Sylvan Library has arranged useful top cards.
• Inputs / outputs: Tap, pay 1 life, sacrifice it: search your library for Forest or Plains, put it onto the battlefield, then shuffle.
• Mode map: Search mode only; it does not produce mana itself and cannot find City of Brass, Gemstone Mine, Grand Coliseum, Mishra's Factory, Rishadan Port, Treetop Village, Wasteland, or red/black sources.
• Partners / packages: Works with Sylvan Library shuffle decisions and Terravore graveyard sizing.
• Role peers: Closest fixing peers are City of Brass, Gemstone Mine, Grand Coliseum, and Mox Diamond.
• Failure modes: Fetching Plains when green is needed can strand Oath of Druids or land destruction; cracking after Sylvan Library may shuffle away wanted top cards.
• Matchup / visibility hooks: Against burn, count the 1 life payment; against graveyard hate, remember the fetchland may be removed before Terravore combat.

Terravore

• Deck role: Main deck, 4 copies, core finisher and default Oath of Druids creature hit.
• Role type: threat/clock; engine payoff.
• Deck-specific job: Converts lands in all graveyards into a trampling body; this deck grows it with Wasteland, Windswept Heath, Mox Diamond land discards, Thermokarst, Winter's Grasp, Vindicate on lands, opposing fetchlands, and Oath of Druids milling noncreature cards.
• Timing: Cast when Oath of Druids is inactive, answered, too slow, or when visible land cards in graveyards make Terravore a real blocker or clock; hold when casting it would turn off a valuable Oath of Druids trigger.
• Inputs / outputs: Costs {1}{G}{G}; power and toughness are each equal to the number of land cards in all graveyards; trample turns excess combat damage into player or planeswalker damage.
• Partners / packages: Best with Oath of Druids, Wasteland, Windswept Heath, Mox Diamond, Thermokarst, Winter's Grasp, Vindicate, Sphere of Resistance, Rishadan Port, Mishra's Factory, and Treetop Village.
• Role peers: Phantom Nishoba is the closest sideboard Oath hit for stabilizing combat and life; Mishra's Factory and Treetop Village are secondary clocks.
• Failure modes: Graveyard hate from Tormod's Crypt or Phyrexian Furnace can shrink it; do not assume size without engine-visible graveyard counts.
• Matchup / visibility hooks: Strong against fair and mana-denied boards; weaker into exile removal, bounce, or graveyard-hate boards unless pressure is immediate.

Swords to Plowshares

• Deck role: Main deck 3 copies and sideboard 1 copy, efficient creature interaction.
• Role type: interaction-removal; sideboard bullet.
• Deck-specific job: Exiles target creature that threatens survival, blocks a lethal Terravore, disables creature-land combat, or breaks the Oath of Druids plan; the controller of that creature gains life equal to its power.
• Timing: Hold when an opposing creature is useful for enabling Oath of Druids and the clock is manageable; fire immediately when the creature creates lethal pressure, enables an engine, or makes Terravore/Phantom Nishoba combat fail.
• Inputs / outputs: Costs {W}; instant-speed exile removes a creature but may extend the opponent's life total.
• Partners / packages: Competes with Oath of Druids because removing the opponent's only creature may stop an upkeep trigger; complements Vindicate when creatures are the urgent permanent class.
• Role peers: Vindicate can destroy target permanent at sorcery speed; Pyroclasm and Earthquake answer multiple creatures after sideboarding; Cataclysm resets permanents through player choices.
• Failure modes: Exiling a harmless creature can turn off Oath of Druids or make Terravore need extra turns because of the life gain.
• Matchup / visibility hooks: Bring the sideboard copy against creature decks, creature-combo, and single must-answer threats; trim value against creature-light control or combo.

Thermokarst

• Deck role: Main deck, 3 copies, proactive green land-destruction role player.
• Role type: interaction-removal; engine fuel/material.
• Deck-specific job: Destroys target land to keep opponents below key mana counts while increasing Terravore size; if that land was a snow land, you gain 1 life.
• Timing: Cast when the target land cuts off a color, prevents a critical mana threshold, strands a revealed plan, or compounds Sphere of Resistance/Rishadan Port pressure.
• Inputs / outputs: Costs {1}{G}{G}; sorcery-speed land destruction puts the destroyed land into its owner's graveyard if it resolves normally.
• Partners / packages: Works with Terravore, Sphere of Resistance, Wasteland, Rishadan Port, Winter's Grasp, and Vindicate on lands.
• Role peers: Winter's Grasp is the closest same-cost land-destruction peer; Wasteland handles target nonbasic land from a land slot; Vindicate can hit target permanent.
• Failure modes: Spending it on a low-impact land while a visible creature, artifact, enchantment, or planeswalker-like permanent is winning the game loses tempo.
• Matchup / visibility hooks: Strong against big mana, color-splash, and control; weaker against fast creature boards where Swords to Plowshares, Pyroclasm, Earthquake, or Oath of Druids stabilization matters more.

Vindicate

• Deck role: Main deck, 4 copies, flexible sorcery-speed universal answer.
• Role type: interaction-removal; role glue.
• Deck-specific job: Destroys target permanent, letting this deck answer lands for Terravore/mana denial, creatures that beat Oath or Terravore, artifact/enchantment hate, or any resolved permanent that invalidates the current plan.
• Timing: Use on lands when Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, or Winter's Grasp has already made mana denial decisive; save for nonland permanents when a creature, artifact, or enchantment is the actual threat.
• Inputs / outputs: Costs {1}{W}{B}; requires both white and black access, often from City of Brass, Gemstone Mine, Grand Coliseum, or Mox Diamond.
• Partners / packages: Completes the answer suite with Swords to Plowshares, Aura of Silence, Naturalize, Seal of Cleansing, Wasteland, Thermokarst, and Winter's Grasp.
• Role peers: Swords to Plowshares is cheaper creature exile; Naturalize and Seal of Cleansing are artifact/enchantment answers; Thermokarst and Winter's Grasp are narrower land answers.
• Failure modes: Using Vindicate as generic land destruction can leave Veles cold to a resolved permanent only Vindicate could answer.
• Matchup / visibility hooks: Highest value against decks with must-answer permanents, utility lands, graveyard hate, or enchantments/artifacts that stop Oath of Druids or Terravore.

Winter's Grasp

• Deck role: Main deck, 3 copies, proactive green land-destruction role player.
• Role type: interaction-removal; engine fuel/material.
• Deck-specific job: Destroys target land, extending the Wasteland/Thermokarst/Vindicate mana-denial plan and growing Terravore by moving lands to graveyards.
• Timing: Cast when it denies a color, keeps the opponent under Sphere of Resistance, prevents a known mana threshold, or protects Oath of Druids/Terravore from likely answers.
• Inputs / outputs: Costs {1}{G}{G}; sorcery-speed target land destruction.
• Partners / packages: Works with Terravore, Sphere of Resistance, Rishadan Port, Wasteland, Thermokarst, and Vindicate on lands.
• Role peers: Thermokarst is the closest peer and can gain 1 life if the destroyed land was snow; Wasteland destroys target nonbasic land from a land slot; Vindicate can destroy target permanent.
• Failure modes: Casting it while dying to creatures or while an artifact/enchantment engine is already active can spend the turn on the wrong axis.
• Matchup / visibility hooks: Strong against mana-greedy, big-mana, and control decks; often trimmed against red damage and creature swarm pressure for Pyroclasm, Earthquake, Swords to Plowshares, Phantom Nishoba, Chill, or Circle of Protection: Red.

Mox Diamond

• Deck role: Main deck, 4 copies, core acceleration and fixing artifact.
• Role type: mana/fixing/ramp; engine fuel/material.
• Deck-specific job: Turns a land card in hand into early rainbow mana, enabling turn-one Oath of Druids, Sylvan Library, Sphere of Resistance, Swords to Plowshares, or faster Thermokarst/Winter's Grasp/Vindicate lines while adding a land to the graveyard for Terravore.
• Timing: Cast when discarding a land still leaves functional mana; strongest before Sphere of Resistance so Veles can operate through its own tax.
• Inputs / outputs: Costs {0}; as it would enter, you may discard a land card. If you do, it enters and taps for one mana of any color; if not, it goes to its owner's graveyard.
• Partners / packages: Best with Oath of Druids, Sphere of Resistance, Sylvan Library, Terravore, Vindicate, and land-destruction starts.
• Role peers: City of Brass, Gemstone Mine, Grand Coliseum, and Windswept Heath are fixing peers, but Mox Diamond accelerates at card cost.
• Failure modes: Discarding the only green source, only white source, only black access, Wasteland, or Rishadan Port can make the next turns worse than the acceleration.
• Matchup / visibility hooks: High value against combo/control and tempo; risky in attrition games where the extra card and land drop are needed.

Oath of Druids

• Deck role: Main deck, 4 copies, core engine enchantment and primary creature-conversion plan.
• Role type: engine piece; mechanic enabler.
• Deck-specific job: At each player's upkeep, lets that player choose target opponent who controls more creatures than they do, then that first player may reveal until a creature card, put it onto the battlefield, and put the other revealed cards into their graveyard; in the main deck, the creature hit is Terravore.
• Timing: Deploy early when the opponent has or will likely have more creatures; avoid casting Terravore or animating Mishra's Factory/Treetop Village if that ruins the creature-count condition before upkeep.
• Inputs / outputs: Costs {1}{G}; produces a creature and graveyard fuel, but only if the upkeep condition and target choice are legal.
• Partners / packages: Finds Terravore in game one; after sideboarding can also hit Phantom Nishoba if boarded in; pairs with Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate to protect the hit.
• Role peers: No direct peer; closest role overlap is Sylvan Library finding threats and Enlightened Tutor finding Oath of Druids after sideboarding.
• Failure modes: Removing the opponent's only creature, animating creature-lands, or casting Terravore can make Oath fail to trigger profitably.
• Matchup / visibility hooks: Best against creature decks; weaker against creature-light decks unless they present a creature or Phantom Nishoba/Terravore pressure is otherwise needed.

Sphere of Resistance

• Deck role: Main deck, 4 copies, core prison artifact.
• Role type: engine piece; hate piece; role glue.
• Deck-specific job: Makes all spells cost {1} more, turning Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate on lands into longer-lasting mana denial.
• Timing: Cast early when Veles has Mox Diamond or enough lands to still cast Oath of Druids, Sylvan Library, Swords to Plowshares, Vindicate, and land destruction; delay when it strands your own stabilizing spell.
• Inputs / outputs: Costs {2}; taxes both players' spells by {1}, but does not tax land abilities such as Wasteland, Rishadan Port, Mishra's Factory, or Treetop Village.
• Partners / packages: Strong with Mox Diamond, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, Vindicate, Mishra's Factory, and Treetop Village.
• Role peers: Chill is a sideboard tax for red spells; Aura of Silence taxes opponents' artifact and enchantment spells; Rishadan Port is repeatable mana denial.
• Failure modes: Casting Sphere before Oath of Druids, Sylvan Library, Swords to Plowshares, or Vindicate can lock Veles under its own tax.
• Matchup / visibility hooks: Excellent against combo, control, and spell-heavy decks; lower priority against fast creature boards where removal or Oath stabilization is urgent.

Sylvan Library

• Deck role: Main deck, 3 copies, card-selection engine.
• Role type: card selection; engine piece.
• Deck-specific job: Filters draw steps toward missing green/white/black mana, Oath of Druids, Mox Diamond, Swords to Plowshares, Vindicate, Terravore, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, or specific sideboard tutor targets: Chill, Circle of Protection: Red, Aura of Silence, Seal of Cleansing, Tormod's Crypt, Phyrexian Furnace, and Pyroclasm.
• Timing: Cast when life total and board state allow a setup turn; use extra-card payments only when the card immediately changes survival, engine access, or closing speed.
• Inputs / outputs: At your draw step, you may draw two additional cards; if you do, choose two cards in your hand drawn this turn, then for each pay 4 life or put it on top of your library.
• Partners / packages: Works with Windswept Heath shuffle timing; finds Oath of Druids, Sphere of Resistance, Terravore, Swords to Plowshares, Vindicate, and mana-denial lands/spells.
• Role peers: Enlightened Tutor is a sideboard setup peer for artifacts/enchantments but costs a card and puts the target on top.
• Failure modes: Paying 4 or 8 life into visible attacks, City of Brass/Grand Coliseum damage, Earthquake self-damage, or burn pressure can lose the race.
• Matchup / visibility hooks: Strong in stalled control and prison games; trim or use conservatively against red damage and fast creature pressure.

Aura of Silence

• Deck role: Sideboard, 1 copy, artifact/enchantment tax and removal bullet.
• Role type: hate piece; interaction-removal; sideboard bullet.
• Deck-specific job: Makes artifact and enchantment spells opponents cast cost {2} more, then can be sacrificed to destroy target artifact or enchantment that interferes with Oath of Druids, Terravore, creature-lands, or mana denial.
• Timing: Pre-deploy when the tax will slow an artifact/enchantment deck; save the sacrifice for a permanent that actually blocks the current plan or creates a visible engine.
• Inputs / outputs: Costs {1}{W}{W}; requires heavy white; sacrifice converts it into target artifact/enchantment destruction.
• Partners / packages: Strong with Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate on lands because taxes stack.
• Role peers: Naturalize destroys target artifact or enchantment at instant speed; Seal of Cleansing pre-deploys a sacrifice answer without tax; Vindicate destroys target permanent at sorcery speed.
• Failure modes: Boarding it without artifact/enchantment targets or without white mana can dilute Oath of Druids, Terravore, and land-denial plans.
• Matchup / visibility hooks: Bring against artifact/enchantment engines, prison pieces, opposing Oath of Druids, and mana artifacts; avoid against creature-only red pressure.

Cataclysm

• Deck role: Sideboard, 1 copy, high-commitment reset bullet.
• Role type: interaction-sweeper; sideboard bullet.
• Deck-specific job: Forces each player to choose from among permanents they control an artifact, a creature, an enchantment, and a land, then sacrifice the rest; Veles can try to keep Mox Diamond or Sphere of Resistance, Terravore or Phantom Nishoba, Oath of Druids or Sylvan Library, and a key land.
• Timing: Cast only when Veles's kept permanent mix beats the opponent's kept permanent mix and enough mana remains to function afterward.
• Inputs / outputs: Costs {2}{W}{W}; sacrifices excess permanents, including your extra lands and creature-lands if not chosen.
• Partners / packages: Best with a dominant Terravore or Phantom Nishoba, Oath of Druids, Sphere of Resistance, Mox Diamond, and one key land such as Wasteland, Rishadan Port, Treetop Village, or a colored source.
• Role peers: Earthquake and Pyroclasm are creature damage sweepers; Vindicate is one-for-one permanent removal.
• Failure modes: Casting while behind on every permanent type or under your own Sphere of Resistance can leave Veles unable to rebuild.
• Matchup / visibility hooks: Use against go-wide boards, control overextension, or permanent-heavy decks; avoid when Oath of Druids is about to stabilize without sacrificing your own board.

Chill

• Deck role: Sideboard, 1 copy, red-spell tax bullet.
• Role type: hate piece; sideboard bullet.
• Deck-specific job: Makes red spells cost {2} more, buying time against red burn, red aggro, red land destruction, and red spell-combo pressure.
• Timing: Cast early when red spells are the visible or expected pressure; prioritize it before painful Sylvan Library lines if life total is the bottleneck.
• Inputs / outputs: Costs {1}{U}; requires blue access from City of Brass, Gemstone Mine, Grand Coliseum colored mode, or Mox Diamond.
• Partners / packages: Pairs with Sphere of Resistance for heavy spell taxes and with Circle of Protection: Red, Swords to Plowshares, Pyroclasm, Earthquake, and Phantom Nishoba for red-pressure stabilization.
• Role peers: Sphere of Resistance taxes all spells by {1}; Circle of Protection: Red prevents damage from a chosen red source; Aura of Silence taxes artifact/enchantment spells.
• Failure modes: Boarding Chill without reliable blue fixing or against nonred threats creates a stranded card.
• Matchup / visibility hooks: Strong against red spell chains and burn; weak against artifact-heavy decks or nonred creature decks where red spells are incidental.

Circle of Protection: Red

• Deck role: Sideboard, 1 copy, red damage prevention bullet.
• Role type: lifegain/stabilization; hate piece; sideboard bullet.
• Deck-specific job: For {1}, prevents the next damage a red source of your choice would deal to you this turn, protecting life total from red creatures, red burn, Earthquake-like effects from opponents, or repeated red sources.
• Timing: Deploy when red damage is the axis; keep mana open each turn for the source that matters most rather than tapping out for marginal land denial.
• Inputs / outputs: Costs {1}{W}; activation costs {1} per chosen red source event and prevents damage to you only, not to your creatures or permanents.
• Partners / packages: Works with Chill, Swords to Plowshares, Pyroclasm, Earthquake, Phantom Nishoba, and non-painful Plains to stabilize red matchups.
• Role peers: Chill taxes red spells; Phantom Nishoba gains life through combat damage; Swords to Plowshares removes red creatures.
• Failure modes: It does nothing against nonred sources, and Sphere of Resistance does not tax the activation but can make deployment slower.
• Matchup / visibility hooks: Bring against burn and red creature pressure; preserve Plains, City of Brass, Gemstone Mine, Grand Coliseum, or Mox Diamond access for white.

Earthquake

• Deck role: Sideboard, 1 copy, scalable red sweeper and reach spell.
• Role type: interaction-sweeper; reach/finisher; sideboard bullet.
• Deck-specific job: Deals X damage to each creature without flying and each player, clearing ground swarms or finishing low life totals while also damaging Veles.
• Timing: Use when X kills multiple relevant opposing nonflying creatures or wins immediately; avoid if your life total, Terravore, Phantom Nishoba, Mishra's Factory, Treetop Village, or future Oath plan suffers more than the opponent's board.
• Inputs / outputs: Costs {X}{R}; consumes red from City of Brass, Gemstone Mine, Grand Coliseum colored mode, or Mox Diamond and damages each player.
• Mode map: X sets the damage amount; small X stabilizes against low-toughness boards, large X can be a finisher, and choosing X too high can kill Veles.
• Partners / packages: Pairs with Swords to Plowshares for survivors, Phantom Nishoba for life stabilization, and Sphere of Resistance/land denial to keep the opponent from rebuilding.
• Role peers: Pyroclasm deals fixed 2 damage to each creature; Cataclysm resets permanents; Vindicate handles one target permanent.
• Failure modes: It does not damage creatures with flying, and it damages your own nonflying creatures and you.
• Matchup / visibility hooks: Bring against creature swarms and low-toughness ground boards; be cautious against burn.

Enlightened Tutor

• Deck role: Sideboard, 1 copy, instant-speed artifact/enchantment search bullet.
• Role type: tutor/search; sideboard bullet.
• Deck-specific job: Searches for an artifact or enchantment card, reveals it, shuffles, and puts it on top, turning the next draw into Oath of Druids, Sphere of Resistance, Sylvan Library, Mox Diamond, Aura of Silence, Chill, Circle of Protection: Red, Phyrexian Furnace, Seal of Cleansing, or Tormod's Crypt.
• Timing: Use when the target changes the next turn more than drawing a random card; end-step timing is strong if the engine exposes it and the needed answer is not required immediately.
• Inputs / outputs: Costs {W}; spends a card and the next draw step to set up a revealed artifact/enchantment.
• Mode map: Target map: Oath of Druids for engine access; Sphere of Resistance or Chill for tax pressure; Circle of Protection: Red for red damage; Aura of Silence or Seal of Cleansing for artifact/enchantment answers; Tormod's Crypt or Phyrexian Furnace for graveyard pressure; Sylvan Library for selection.
• Partners / packages: Works with Sylvan Library top-card decisions and all named artifact/enchantment bullets above.
• Role peers: Sylvan Library finds cards over time; no other current-list card searches artifacts/enchantments.
• Failure modes: Tutoring under lethal pressure can be too slow because the card goes on top, not into hand.
• Matchup / visibility hooks: Bring when a singleton hate permanent is decisive; avoid when immediate board impact is required.

Naturalize

• Deck role: Sideboard, 2 copies, instant artifact/enchantment removal bullet.
• Role type: interaction-removal; sideboard bullet.
• Deck-specific job: Destroys target artifact or enchantment at instant speed, answering permanents that stop Oath of Druids, shrink or contain Terravore, disable creature-lands, accelerate the opponent, or form a visible engine.
• Timing: Hold for high-impact targets when possible; use immediately if the artifact/enchantment is about to create value, unlock lethal, or stop the current win condition.
• Inputs / outputs: Costs {1}{G}; trades one card for target artifact or enchantment.
• Partners / packages: Complements Vindicate, Aura of Silence, Seal of Cleansing, Enlightened Tutor, Sphere of Resistance, and land-denial pressure.
• Role peers: Seal of Cleansing pre-deploys a sacrifice answer; Aura of Silence adds a tax plus sacrifice answer; Vindicate destroys any target permanent at sorcery speed.
• Failure modes: Boarding both copies without enough targets weakens the core Oath of Druids, Terravore, and mana-denial plan.
• Matchup / visibility hooks: Bring against artifact/enchantment engines, prison pieces, graveyard-hate artifacts, and opposing Oath-style enchantments; avoid against creature-only pressure.

Phantom Nishoba

• Deck role: Sideboard, 1 copy, alternate Oath of Druids hit and stabilizing finisher.
• Role type: threat/clock; lifegain/stabilization; sideboard bullet.
• Deck-specific job: Gives Oath of Druids a lifegain combat hit against creature and burn decks; it enters with seven +1/+1 counters, has trample, gains life equal to damage it deals, and prevents damage to itself by removing a +1/+1 counter.
• Timing: Board in when life gain and combat dominance matter more than Terravore's graveyard scaling; do not add it when a faster Terravore clock is better or when creature count conflicts make Oath unreliable.
• Inputs / outputs: Costs {5}{G}{W} if hard-cast; Oath of Druids can put it onto the battlefield; combat damage produces life gain.
• Partners / packages: Pairs with Oath of Druids, Swords to Plowshares, Circle of Protection: Red, Chill, Pyroclasm, Earthquake, and Cataclysm stabilization plans.
• Role peers: Terravore is the main-deck Oath hit and usually larger with land-filled graveyards; Treetop Village and Mishra's Factory are backup threats.
• Failure modes: Adding Phantom Nishoba changes Oath hit composition and may reduce Terravore consistency; graveyard size may still make Terravore the better kill.
• Matchup / visibility hooks: Bring against burn, aggro, and creature midrange where life gain swings the race.

Phyrexian Furnace

• Deck role: Sideboard, 1 copy, selective graveyard hate artifact.
• Role type: hate piece; engine fuel/material; sideboard bullet.
• Deck-specific job: Pressures graveyards while preserving some control over Terravore size: tap to exile the bottom card of target player's graveyard, or pay {1} and sacrifice it to exile target card from a graveyard and draw a card.
• Timing: Use the tap ability when slow selective pressure matters; save the sacrifice ability for a specific flashback, threshold, reanimation, recursion, or graveyard-dependent card before it is used as a cost or payoff.
• Inputs / outputs: Costs {1}; tap ability spends no mana after deployment; sacrifice mode costs {1}, removes target card, and draws a card.
• Mode map: Bottom-card exile is repeatable selective pressure on target player's graveyard; sacrifice mode is one-shot targeted graveyard interaction plus card replacement.
• Partners / packages: Searchable with Enlightened Tutor; conflicts with Terravore when exiling land cards from graveyards.
• Role peers: Tormod's Crypt clears target player's graveyard at once; Phyrexian Furnace is slower but can draw a card.
• Failure modes: Exiling lands without a visible opposing payoff can shrink Terravore unnecessarily.
• Matchup / visibility hooks: Bring against reanimation, threshold, flashback, recursion, and graveyard combo; time it before costs or triggers use the graveyard resource.

Pyroclasm

• Deck role: Sideboard, 2 copies, fixed red creature sweeper.
• Role type: interaction-sweeper; sideboard bullet.
• Deck-specific job: Deals 2 damage to each creature, clearing small creature swarms, mana creatures, and fast pressure before Oath of Druids or Terravore can stabilize.
• Timing: Cast when it kills multiple relevant creatures or prevents lethal; avoid when the opponent's creatures are needed to enable Oath of Druids and the race is not urgent.
• Inputs / outputs: Costs {1}{R}; requires red from City of Brass, Gemstone Mine, Grand Coliseum colored mode, or Mox Diamond; damages your creatures too, including Terravore if its toughness is 2 or less, animated Mishra's Factory, animated Treetop Village, and Phantom Nishoba by removing counters through its prevention ability.
• Partners / packages: Pairs with Swords to Plowshares for larger survivors and Oath of Druids for post-sweeper stabilization if the opponent rebuilds creatures.
• Role peers: Earthquake is scalable and hits each player plus nonflying creatures; Cataclysm resets permanents; Swords to Plowshares answers one creature.
• Failure modes: It does not destroy by shrinking; it deals damage, so toughness, prevention, and damage already marked matter.
• Matchup / visibility hooks: Bring against low-toughness swarms and mana creatures; weaker against large threats, flying-heavy boards, and creature-light decks.

Seal of Cleansing

• Deck role: Sideboard, 1 copy, pre-deployable artifact/enchantment removal bullet.
• Role type: interaction-removal; sideboard bullet.
• Deck-specific job: Sits on the battlefield as a visible deterrent, then sacrifices to destroy target artifact or enchantment that blocks Oath of Druids, Terravore, creature-land combat, mana denial, or survival.
• Timing: Cast before Sphere of Resistance or mana denial makes holding up Naturalize difficult; sacrifice only when the target is worth losing the stored answer.
• Inputs / outputs: Costs {1}{W}; sacrifice ability destroys target artifact or enchantment without an additional mana payment.
• Partners / packages: Works with Enlightened Tutor, Sphere of Resistance, Aura of Silence, Naturalize, and Vindicate.
• Role peers: Naturalize is instant-speed from hand and green; Aura of Silence taxes opponents' artifact/enchantment spells and sacrifices for removal; Vindicate answers any target permanent at sorcery speed.
• Failure modes: The opponent can see it and may bait the sacrifice with a lower-value target.
• Matchup / visibility hooks: Bring where pre-deployed artifact/enchantment interaction matters, especially under Sphere of Resistance or against engines likely to resolve while Veles is tapped out.

Tormod's Crypt

• Deck role: Sideboard, 1 copy, broad graveyard hate artifact.
• Role type: hate piece; sideboard bullet.
• Deck-specific job: Exiles target player's graveyard in one shot, stopping graveyard engines, reanimation setup, threshold resources, flashback stockpiles, or recursion when the whole graveyard matters more than Terravore size.
• Timing: Deploy early when graveyard pressure is expected; sacrifice in response to a visible graveyard payoff window before the opponent casts or pays costs that use the graveyard.
• Inputs / outputs: Costs {0}; tapping and sacrificing it exiles target player's graveyard.
• Partners / packages: Searchable with Enlightened Tutor; works with Sphere of Resistance and land denial because it costs no mana to cast before taxes; conflicts with Terravore if it removes land cards that were powering Terravore.
• Role peers: Phyrexian Furnace is slower selective graveyard hate that can draw a card; Tormod's Crypt is immediate broad clearing.
• Failure modes: Firing it after flashback, delve-like, or threshold costs are already paid usually does not undo the already-cast spell or paid cost.
• Matchup / visibility hooks: Bring against reanimation, threshold, flashback, recursion, and graveyard combo; avoid using it for incidental graveyards unless the opposing payoff is real.

Interaction Priorities

• Removal priority: Use Swords to Plowshares first on creatures that kill Veles before Oath of Druids matters, creatures that prevent attacks from a lethal Terravore, or creatures whose abilities break the mana-denial plan. Do not exile a harmless opposing creature merely because it is legal; an opposing creature can be the condition that turns on Oath of Druids, so removal should solve an urgent board problem or preserve survival.

• Permanent-answer priority: Use Vindicate on the permanent type the current game cannot otherwise beat. Rank mana sources highest when Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, or Winter's Grasp are already constraining the opponent; rank creatures highest when life total or combat math is collapsing; rank enchantments or artifacts highest when they stop Oath of Druids, blank Terravore, or undo the lock. Avoid spending Vindicate on a basic land when Thermokarst or Winter's Grasp can perform the same role and a nonland threat is visible.

• Mana-denial priority: Point Wasteland at nonbasics that provide missing colors, multiple mana, utility, or escape from Sphere of Resistance. Use Rishadan Port to deny the color or mana count that the opponent visibly needs this turn, especially in upkeep after they are already behind. Use Thermokarst and Winter's Grasp to keep the opponent below the mana threshold for sweepers, large threats, or multiple-spell recovery turns; Card text check required for exact secondary clauses, so treat them tactically as land destruction unless the engine reveals more.

• Counter/discard/bounce policy: This registered main deck does not contain counterspells, discard spells, or bounce spells, so never reason as if Veles can stop a spell already on the stack except through legal engine-provided actions such as mana denial before casting windows or sideboard artifact/enchantment interaction after resolution. If runtime exposes no legal answer, choose the best legal setup, pressure, or pass action rather than inventing interaction.

• Exile and graveyard priority: Treat Swords to Plowshares as creature exile for the most dangerous visible creature, not as generic graveyard hate. After sideboard, use Tormod's Crypt, Phyrexian Furnace, or relevant artifact/enchantment answers against graveyard engines when the opponent's graveyard is a visible resource, but do not spend graveyard hate under lethal pressure if removal, Oath of Druids, or blocking is the only survival line.

• Bait priority: Lead with Sphere of Resistance, Sylvan Library, land destruction, or a creature-land activation when the opponent is representing permission and Oath of Druids is the decisive card to resolve. Against removal-heavy decks, Terravore can bait creature answers before Mishra's Factory and Treetop Village become the closing threats. Do not bait with the only stabilizing Oath of Druids or only Swords to Plowshares when the board requires that card immediately.

• Ignore priority: Ignore small creatures only while life total, combat math, and Oath of Druids timing say they are useful as Oath enablers or too slow to matter. Ignore nonessential artifacts, enchantments, and utility lands when the opponent is already locked out of casting relevant spells. Reassess immediately if the ignored permanent changes race math, enables graveyard recursion, disables creature combat, or opens a combo line.

• Archetype shift: Against combo and control, prioritize mana denial, Sphere of Resistance, and protecting Oath of Druids over spot removal. Against creature aggro, prioritize survival, Swords to Plowshares, Oath setup, and blocker timing over maximal land destruction. Against graveyard decks, prioritize sideboard graveyard hate only when the graveyard is visibly central and the life total can survive the tempo spend.

Combat And Trading Rules

• Engine preservation: Avoid attacking or blocking with Mishra's Factory, Treetop Village, or Terravore when doing so changes creature counts in a way that disables a needed Oath of Druids trigger. If Oath of Druids is about to convert an opposing creature into a Terravore, preserving the trigger usually matters more than chip damage.

• Terravore attacks: Attack with Terravore when its visible power and trample make the attack lethal, forces bad blocks, or shortens the clock while the opponent is mana constrained. Hold Terravore back when Veles is the defender, when losing it would remove the only real clock, or when a creature-land plus land denial can win without exposing the main threat. Because Terravore scales with lands in graveyards, reassess after Wasteland, Windswept Heath, Mox Diamond, Thermokarst, Winter's Grasp, and Vindicate put lands into graveyards.

• Creature-land attacks: Attack with Mishra's Factory or Treetop Village when Oath of Druids is inactive, the opponent is locked low on mana, or the attack materially advances lethal. Keep them as lands when mana is needed for taxed spells, Rishadan Port activations, Swords to Plowshares, Vindicate, or sideboard interaction. Prefer Treetop Village for larger pressure when tapped-land timing is already paid; prefer Mishra's Factory for flexible blocking and lower activation commitment.

• Blocking priority: Block to preserve survival first, protect Sylvan Library life choices second, and preserve Oath of Druids conditions third. Use Mishra's Factory or Treetop Village as blockers when the prevented damage exceeds the value of keeping them as mana, especially near life totals where City of Brass, Grand Coliseum, or Sylvan Library become dangerous. Do not chump with Terravore unless the alternative is losing or falling into burn/lethal range.

• Trade policy: Trade Terravore only for a creature or board state that Veles otherwise cannot answer, or when the graveyard and creature-land plan still leaves a credible win. Trade animated lands for real creatures when it stabilizes against aggro and the mana base remains functional. Avoid trades that leave Veles with no pressure against control unless the opponent is already hard-locked by Sphere of Resistance plus mana denial.

• Protection policy: Protect Oath of Druids by managing creature counts, protecting colored mana, and using bait spells before committing it into likely interaction when waiting is legal and not fatal. Protect Terravore by removing exile blockers or race-winning attackers before combat, but do not overprotect it if Oath of Druids can find another threat or creature-lands can finish.

• Life thresholds: Above roughly 12 life, Veles can often spend turns on land denial, Sylvan Library setup, and tapped Treetop Village sequencing. Between 7 and 11 life, prioritize stabilization, blockers, and Swords to Plowshares over speculative mana denial. At 6 or less, treat City of Brass, Grand Coliseum, Sylvan Library life payments, and unnecessary attacks as high-risk unless the attack is lethal or prevents lethal on the backswing.

• Archetype differences: Against aggro, block earlier and value Oath of Druids as a stabilizer more than a finisher. Against control, attack patiently with creature-lands after mana denial, avoiding overcommitment into sweepers when the engine exposes that risk. Against combo, combat is a clock; accept some damage races if Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate are keeping the opponent from executing.

Selection And Tutor Rules

• Sylvan Library selection: Use Sylvan Library to convert draw steps into quality, but let the rules engine define the legal keep, put-back, and life-payment choices. Keep land drops, Oath of Druids, Sphere of Resistance, Swords to Plowshares, and land destruction ahead of extra pressure when the game is not yet stable.

• Sylvan Library life policy: Pay life for extra Sylvan Library cards only when the visible board says the card matters immediately or the opponent is not pressuring life total. Avoid paying 4 life per card when City of Brass, Grand Coliseum, creature attacks, or burn risk make the life loss materially dangerous.

• Sylvan Library plus shuffle policy: Use Windswept Heath after Sylvan Library has left unwanted cards on top when the engine exposes a legal fetch action and the mana base can still support future colored spells. Do not crack Windswept Heath before draw-step selection just to thin the deck unless Veles needs the mana immediately or the top cards are already known to be bad.

• Windswept Heath target policy: Fetch the land the engine legally offers that fixes the current bottleneck, usually Forest when green is missing for Oath of Druids, Terravore, Thermokarst, or Winter's Grasp, and Plains only when white is needed for Swords to Plowshares or Vindicate. Do not assume every named land is fetchable; follow the engine's legal candidates.

• Mox Diamond selection: Discard the land that least damages the next two turns, prioritizing redundant tapped lands, extra colorless lands, or excess copies of legendary-free utility lands only after checking colored requirements. Prefer keeping Wasteland and Rishadan Port when mana denial is the active plan, and prefer keeping City of Brass, Grand Coliseum, Gemstone Mine, or fetchable colored sources when Oath of Druids or removal is the bottleneck.

• Oath of Druids selection: Treat Oath of Druids as a creature-conversion engine, not a tutor with free choice, unless the engine exposes a target or ordering decision. In the main deck the only creature hit is Terravore, so the tactical question is whether to enable and accept the Oath trigger, not which creature to find. After sideboarding, Phantom Nishoba changes the hit profile only if it is actually in the deck.

• Oath graveyard awareness: Value Oath of Druids, Wasteland, Windswept Heath, Mox Diamond, Thermokarst, Winter's Grasp, and Vindicate as ways to increase land cards in graveyards for Terravore, but never mill or sacrifice resources solely for size when survival, colored mana, or legal action quality is worse. Recount visible graveyards after each resolved land destruction or fetch sequence.

• Enlightened Tutor policy: After sideboarding, use Enlightened Tutor as a narrow setup tool for exact visible needs, commonly Oath of Druids for the engine, Sphere of Resistance for combo/control tax pressure, Aura of Silence, Seal of Cleansing, or Naturalize-adjacent effects when artifact/enchantment pressure matters, Circle of Protection: Red against red damage pressure, or graveyard hate when the engine exposes a legal artifact target. Card text check required for the exact search zone and timing, so only choose from engine-listed legal candidates.

• Graveyard-hate selection: Choose Tormod's Crypt for broad visible graveyard clearing when timing matters and Phyrexian Furnace when the engine presents a narrower exile or card-flow line; Card text check required for exact Phyrexian Furnace modes. Do not spend selection actions on graveyard hate if the visible board requires Oath of Druids, Swords to Plowshares, or a blocker to survive.

Priority And Stack Rules

• Legal-action discipline: Choose only actions the rules engine lists, and treat absent stack interaction as unavailable. This main deck cannot counter spells, so priority decisions are mostly about Swords to Plowshares, Wasteland, Rishadan Port, animated lands, and whether to act before the opponent can use mana.

• Oath trigger discipline: At upkeep, evaluate Oath of Druids triggers from visible creature counts and legal engine prompts. Accept a legal Oath line when it stabilizes, finds Terravore or sideboard Phantom Nishoba, or pressures a mana-constrained opponent; decline or avoid enabling only when the visible downside is larger, such as losing needed draw quality, exposing the graveyard to hate, or changing creature counts incorrectly.

• Mana-denial timing: Use Rishadan Port in the opponent's upkeep when tapping a land before their main phase can deny a key color or keep them under Sphere of Resistance. Use Wasteland before the opponent can convert a dangerous nonbasic land into value, but avoid firing it into irrelevant targets when holding it forces the opponent to play around mana denial.

• Land-destruction stack policy: Cast Thermokarst, Winter's Grasp, or Vindicate during a main phase when the target land is legal and the tempo loss is worth the spell. Prioritize lands that unlock the opponent's next visible play, splash color, combo mana, or removal color; do not destroy a low-impact land if the stack or board demands Swords to Plowshares or Oath of Druids instead.

• Swords to Plowshares timing: Hold Swords to Plowshares for the creature that beats Oath of Druids timing, races Terravore, threatens lethal, or invalidates creature-land blocks. Fire it in response to pump, aura, equipment, sacrifice, or combat actions only when the engine exposes the legal window and the visible result is better than waiting.

• Sphere of Resistance sequencing: Resolve Sphere of Resistance early against combo and control when Veles can still pay its own future costs. After Sphere of Resistance is active, plan priority decisions around taxed mana; do not tap colored sources with Rishadan Port-style ambitions or animate lands if that prevents casting Oath of Druids, Swords to Plowshares, Vindicate, or sideboard answers.

• Creature-land priority: Animate Mishra's Factory or Treetop Village only when the engine shows the activation is legal and the resulting attacker, blocker, or clock matters more than keeping the land as mana. Avoid end-step activations without a tactical purpose, and avoid animation that lets removal trade for a land when Veles can win by waiting.

• Let-resolve policy: Let low-impact spells resolve when they do not change lethal math, creature count for Oath of Druids, graveyard-resource urgency, or access to mana. Spend priority only when the visible spell or ability creates a threat that Swords to Plowshares, Wasteland, Rishadan Port, Aura of Silence, Naturalize, Seal of Cleansing, Tormod's Crypt, or Phyrexian Furnace can legally answer at that moment.

• Sideboard instant-speed policy: After sideboarding, treat Naturalize, Seal of Cleansing, Aura of Silence, Tormod's Crypt, Phyrexian Furnace, and Enlightened Tutor as timing-sensitive only when the engine gives the legal window. Use artifact, enchantment, and graveyard actions before the opponent can gain the visible payoff; otherwise preserve them for the highest-impact permanent or graveyard state.

Sideboard Map

• Sideboard posture: Bring in narrow cards only when visible matchup pressure makes their role stronger than the maindeck mana-denial shell. This deck wins many games by keeping Oath of Druids, Sphere of Resistance, Terravore, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate aligned, so sideboarding should preserve enough acceleration, green sources, and land pressure to keep the opponent constrained.

• Aura of Silence: Add role cards against artifact/enchantment engines, fast mana artifacts, prison pieces, Survival-style enchantments, opposing Oath of Druids shells, and decks where taxing a key permanent class matters. Aura of Silence is weaker against creature-heavy red, black discard, and land-heavy midrange where it has no high-impact target. Its role changes from answer to soft-lock piece when Sphere of Resistance and mana denial already make the opponent's spells expensive.

• Cataclysm: Add role cards against go-wide creature boards, control decks that overcommit permanents, and board states where Veles can keep one strong land, one Oath of Druids or Sphere of Resistance, and one superior threat or creature-land. Cataclysm is bad when Veles is behind on every permanent type, needs multiple lands to cast taxed spells, or already has Oath of Druids set up to stabilize. Treat Cataclysm as a commitment gate, not a panic button.

• Chill: Add role cards against red burn, red aggro, red land-destruction, and red combo pressure where making red spells cost more changes the race. Chill is poor against nonred creature decks and against artifact-heavy decks where the tax misses the opponent's important actions. Its role is defensive time-buying, especially alongside Sphere of Resistance, Circle of Protection: Red, Swords to Plowshares, and Pyroclasm.

• Circle of Protection: Red: Add role cards against red decks whose visible plan is direct damage, repeated red creature combat, or red sweepers. Circle of Protection: Red is weaker when Veles cannot keep white mana available, when Sphere of Resistance taxes the activation plan too harshly, or when the opponent's primary threats are nonred. Preserve white sources after boarding this card.

• Earthquake: Add role cards against small creature swarms, mana creatures, utility creatures, and low-toughness pressure that dodges one-for-one removal. Earthquake is bad when Veles's life total is too low, when the opponent's threats are large or evasive in a way the engine does not confirm Earthquake handles, or when the board can be stabilized by Oath of Druids. Card text check required for exact damage scope and legal targets.

• Enlightened Tutor: Add role cards when a single artifact or enchantment changes the matchup: Oath of Druids for the engine, Sphere of Resistance for combo/control pressure, Aura of Silence or Seal of Cleansing for artifacts/enchantments, Circle of Protection: Red or Chill for red pressure, or Tormod's Crypt / Phyrexian Furnace for graveyard pressure if the engine lists them as legal candidates. It is bad when card disadvantage matters more than finding a bullet, or when the matchup demands immediate board impact.

• Naturalize: Add role cards against artifact/enchantment threats where instant-speed or flexible removal matters. Naturalize is poor when the opponent has few legal targets, when Vindicate already answers the relevant permanent at acceptable speed, or when the game is decided by creatures and life total. Use the first Naturalize for high-confidence artifact/enchantment matchups; use the second when multiple targets or redundancy are visible.

• Phantom Nishoba: Add role cards against creature decks and burn decks where an Oath of Druids hit that gains life or dominates combat is more valuable than only Terravore. Phantom Nishoba is bad when graveyard size makes Terravore the faster kill, when the opponent can answer a single large creature cleanly, or when adding another creature makes Oath sequencing worse. Card text check required for exact combat and life-gain rules.

• Phyrexian Furnace: Add role cards against graveyard engines, reanimation, threshold-style pressure, flashback plans, and decks where selective graveyard pressure matters. Phyrexian Furnace is weaker when a full graveyard clear is needed immediately, when the opponent does not rely on graveyards, or when Veles needs every mana source for taxed spells. Card text check required for exact activation modes.

• Pyroclasm: Add role cards against small creature decks, mana creatures, token boards, and fast pressure that can beat Oath of Druids before the engine stabilizes. Pyroclasm is bad when the opponent's threats survive it, when giving the opponent creatures is needed to turn on Oath of Druids, or when Veles would rather spend mana on Oath of Druids, Swords to Plowshares, or land destruction. Card text check required for exact damage scope.

• Seal of Cleansing: Add role cards against artifacts/enchantments when pre-deploying an answer matters under Sphere of Resistance or mana denial. Seal of Cleansing is worse than Naturalize when hidden timing is important and worse than Aura of Silence when the tax ability is central. Its role changes into a board-visible deterrent once it resolves.

• Swords to Plowshares: Add role cards against creature decks with single must-answer threats, creature-combo decks, and matchups where Oath of Druids cannot be trusted to stabilize before lethal pressure. The fourth Swords to Plowshares is weaker against spell combo, hard control with few creatures, and boards where the opponent's creatures are intentionally useful for enabling Oath of Druids.

• Tormod's Crypt: Add role cards against graveyard decks that require immediate broad clearing, including reanimation, threshold, flashback, and recursion engines. Tormod's Crypt is bad when the opponent's graveyard is incidental or when using it would shrink Terravore more than it disrupts the opponent. Its role is highest when Veles can deploy it early and still execute Oath of Druids or mana denial.

Red damage and small-creature pressure Side in: Chill; Circle of Protection: Red; Pyroclasm; Pyroclasm; Swords to Plowshares; Phantom Nishoba Cut: Thermokarst; Thermokarst; Winter's Grasp; Winter's Grasp; Sphere of Resistance; Sylvan Library

Artifact/enchantment engine pressure Side in: Aura of Silence; Naturalize; Naturalize; Seal of Cleansing; Enlightened Tutor Cut: Swords to Plowshares; Swords to Plowshares; Thermokarst; Winter's Grasp; Sylvan Library

Graveyard engine pressure Side in: Tormod's Crypt; Phyrexian Furnace; Enlightened Tutor; Swords to Plowshares Cut: Winter's Grasp; Thermokarst; Sylvan Library; Sphere of Resistance

Creature swarm pressure Side in: Pyroclasm; Pyroclasm; Earthquake; Swords to Plowshares; Phantom Nishoba; Cataclysm Cut: Thermokarst; Thermokarst; Winter's Grasp; Winter's Grasp; Sphere of Resistance; Sylvan Library

• Against red archetypes: Add role cards: Chill, Circle of Protection: Red, Pyroclasm, Swords to Plowshares, Phantom Nishoba. Reduce main-deck emphasis: slow land destruction, painful Sylvan Library usage, and Sphere of Resistance lines that tax Veles more than the opponent.

• Against artifact or enchantment archetypes: Add role cards: Aura of Silence, Naturalize, Seal of Cleansing, Enlightened Tutor. Reduce main-deck emphasis: creature removal when no important creatures are visible and redundant sorcery-speed land destruction when permanent answers are more urgent.

• Against graveyard archetypes: Add role cards: Tormod's Crypt, Phyrexian Furnace, Enlightened Tutor, Swords to Plowshares when creatures are part of the graveyard plan. Reduce main-deck emphasis: slow mana denial that does not stop the graveyard engine and Sylvan Library lines that spend life before stabilization.

• Against control archetypes: Add role cards: Cataclysm, Aura of Silence when artifacts/enchantments matter, Enlightened Tutor when a bullet is decisive, and Naturalize only for visible target density. Reduce main-deck emphasis: excess creature removal and sweepers that do not pressure their resources.

• Against creature midrange archetypes: Add role cards: Swords to Plowshares, Phantom Nishoba, Cataclysm, and selective sweepers if the toughness profile is low. Reduce main-deck emphasis: Sphere of Resistance when both players are playing fair board games and narrow artifact/enchantment answers with no targets.

Matchup Guidance

• Against aggro: Prioritize survival into Oath of Druids over pure mana denial when visible creatures already threaten a short clock. Keep Swords to Plowshares and Vindicate for creatures that either end the game before Oath of Druids triggers or make combat impossible after Terravore appears; use Pyroclasm, Earthquake, Circle of Protection: Red, Chill, and Phantom Nishoba as role cards when the pressure is red, wide, or damage-based. Reduce main-deck emphasis on Thermokarst and Winter's Grasp when spending turn two or three on land destruction does not change the lethal race. Mox Diamond hands are strong if they enable turn-one Oath of Druids, Sphere of Resistance, or Sylvan Library without losing necessary colors.

• Against control: Force them to answer different permanent types while restricting mana with Sphere of Resistance, Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate. Oath of Druids is the cleanest threat if they present creatures or creature tokens, but Mishra's Factory and Treetop Village matter when the opponent has few creatures or can remove enchantments. Add role cards: Cataclysm, Enlightened Tutor, Aura of Silence, Naturalize, and Seal of Cleansing when artifacts, enchantments, or reset effects are relevant. Reduce main-deck emphasis on excess Swords to Plowshares when they show few creatures.

• Against combo: Lead with disruption that changes the opponent's available turn, not with slow creature setup. Sphere of Resistance is the highest-pressure main-deck card when the opponent needs spell chains, while Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, and Vindicate attack mana needed to assemble the combo. Oath of Druids is still important as a clock, but do not let a speculative engine line delay a visible tax or land-denial action that prevents the combo turn. Add role cards: Enlightened Tutor for the most relevant hate permanent, Aura of Silence or Seal of Cleansing for artifact/enchantment engines, Naturalize for target density, Tormod's Crypt or Phyrexian Furnace for graveyard combo, and Chill only against red spell engines.

• Against tempo: Protect mana development and avoid lines where Sphere of Resistance traps Veles under its own tax without a stable board. Mox Diamond is valuable for getting ahead of Rishadan Port, Wasteland exchanges, and soft permission, but discarding lands weakens Terravore only if the lost land would have been needed for colors or creature-land pressure. Oath of Druids punishes tempo decks that rely on a small threat count, yet Swords to Plowshares and Vindicate should answer the threat if the opponent can race before upkeep. Add role cards: Swords to Plowshares, Pyroclasm for small creatures, and Naturalize only when tempo artifacts/enchantments are visible.

• Against midrange: Make their fair creatures awkward by using Oath of Druids as the primary stabilizer and Terravore as the largest battlefield object. Swords to Plowshares should answer creatures that invalidate Terravore combat, carry decisive equipment or auras, or shorten the clock below the next Oath trigger. Vindicate is flexible enough to remove a creature, a key land, or a hate permanent, so prefer it for the permanent type that blocks the current plan. Add role cards: Phantom Nishoba, Cataclysm, Swords to Plowshares, Earthquake, and Pyroclasm if their creatures fit the sweeper profile. Reduce main-deck emphasis on Sphere of Resistance when the game is mostly creature combat and both players are casting one spell per turn.

• Against big mana: Attack mana first unless the engine shows an immediate lethal or must-answer permanent. Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, Vindicate, and Sphere of Resistance combine to keep expensive spells stranded, while Mishra's Factory and Treetop Village supply pressure without spending spell slots. Oath of Druids is strongest if they rely on creatures to bridge into big mana, but it can be slow if they win through noncreature permanents. Add role cards: Cataclysm, Aura of Silence for mana artifacts/enchantments, Naturalize, Seal of Cleansing, and Enlightened Tutor. Reduce main-deck emphasis on Swords to Plowshares if their creature count is low.

• Against graveyard decks: Decide whether the opponent's graveyard matters more than Terravore size before spending graveyard hate. Tormod's Crypt is for broad immediate clearing, while Phyrexian Furnace is for selective pressure when the engine exposes a targetable card or staged graveyard plan; Card text check required for exact Phyrexian Furnace modes. Oath of Druids can stock Veles's graveyard and enlarge Terravore, so do not self-disrupt without a visible opposing payoff or known matchup reason. Add role cards: Tormod's Crypt, Phyrexian Furnace, Enlightened Tutor, Swords to Plowshares for creature-based graveyard plans, and Naturalize only if the graveyard engine uses artifacts or enchantments.

• Against artifact/enchantment decks: Treat Vindicate as the universal answer and reserve it for the permanent that currently blocks the win condition or enables the opponent's engine. Aura of Silence and Seal of Cleansing are strong when pre-deploying interaction matters under Sphere of Resistance, while Naturalize is better when instant-speed flexibility or multiple targets matter. Enlightened Tutor can find the correct bullet, but only accept the card-disadvantage line when the target changes the matchup. Reduce main-deck emphasis on Swords to Plowshares if artifacts and enchantments are the real threats, and reduce slow land destruction when the opposing engine is already on board.

• Against go-wide decks: Stabilize the board before pursuing greedy Sylvan Library or land-destruction lines. Pyroclasm and Earthquake are role cards when visible toughness and damage rules make them legal and effective; Card text check required for exact Earthquake and Pyroclasm damage scope. Oath of Druids is easy to enable against multiple opposing creatures, but one Terravore may not stabilize if the opponent can keep attacking around it, so Phantom Nishoba, Swords to Plowshares, Cataclysm, and Vindicate matter. Mishra's Factory can trade only when the rules engine confirms legal blocks and activations.

• Against single-threat decks: Answer or exploit the one threat based on clock and Oath status. If the opponent controls exactly the creature needed to turn on Oath of Druids and the clock is manageable, preserving it until upkeep can be better than immediate Swords to Plowshares. If the threat is evasive, lethal, protected, or shuts off Terravore combat, remove it with Swords to Plowshares, Vindicate, or a legal sideboard answer. Add role cards: Swords to Plowshares, Phantom Nishoba for stabilizing Oath hits, and Circle of Protection: Red when the single threat is red damage-based.

• Against burn: Protect life total as the central resource and treat City of Brass, Grand Coliseum, Gemstone Mine, Sylvan Library, and fetchland timing as tactical costs. Chill and Circle of Protection: Red are high-impact role cards; Phantom Nishoba can be an Oath of Druids payoff when life gain is more important than maximum Terravore size. Swords to Plowshares should remove creatures that convert burn into a short clock, and Sphere of Resistance is useful only if it taxes the opponent more than Veles's stabilization. Reduce main-deck emphasis on painful Sylvan Library draws and slow Thermokarst / Winter's Grasp lines that do not stop lethal damage.

• Against removal-heavy decks: Diversify threats across Oath of Druids, Terravore, Mishra's Factory, Treetop Village, and mana denial instead of committing every win condition into visible answers. Terravore is strongest when land destruction and Wasteland have grown graveyards, but it still needs protection from exile or bounce effects visible in legal actions. Sylvan Library helps recover threat density, while Sphere of Resistance and Rishadan Port can make removal inefficient. Add role cards: Cataclysm for reset pressure, Enlightened Tutor for Oath of Druids or a bullet, and Phantom Nishoba only when a single resilient Oath hit is valuable; reduce emphasis on sweepers with no targets.

Specific Matchup Notes

• General/archetype-only note: Revealed cards, legal actions, and rules-engine state override all matchup assumptions. Use these notes to bias priorities, not to infer hidden cards or force illegal lines.

• Against red aggressive or burn decks: Treat life as the tightest resource and avoid optional City of Brass, Grand Coliseum, fetchland, and Sylvan Library life payments unless the play prevents more damage or wins quickly. Priority targets are haste/evasive creatures, repeatable damage permanents, and lands only when mana denial clearly delays lethal. Add role cards: Chill, Circle of Protection: Red, Swords to Plowshares, Pyroclasm, Earthquake, and Phantom Nishoba. Reduce main-deck emphasis on slow Thermokarst / Winter's Grasp lines and painful Sylvan Library digging.

• Against creature swarms: Stabilize before attacking mana unless Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, or Vindicate cuts off the next wave. Priority targets are creatures that keep attacking through Terravore, creatures that make Oath of Druids too slow, and permanents that protect the team from sweepers. Add role cards: Pyroclasm, Earthquake, Swords to Plowshares, Cataclysm, Phantom Nishoba, and Circle of Protection: Red when red damage dominates. Card text check required for exact Earthquake and Pyroclasm damage scope.

• Against blue tempo or permission decks: Lead with mana pressure and threat diversity instead of relying on one resolved spell. Priority targets are blue sources, creature-lands, evasive clocks, and any permanent that stops Oath of Druids or Terravore from mattering. Mox Diamond can jump ahead of soft counters, but do not discard the only colored land if Oath of Druids, Vindicate, or Swords to Plowshares is needed. Add role cards: Swords to Plowshares, Naturalize if artifacts/enchantments are revealed, Seal of Cleansing if pre-deployed answers matter, and Cataclysm for reset pressure.

• Against control and removal-heavy decks: Force them to answer different card types by alternating Oath of Druids, Terravore, Mishra's Factory, Treetop Village, Sphere of Resistance, and land destruction. Priority targets are white removal sources when Terravore is central, sweepers when creature-lands are the plan, and card-advantage permanents that beat Sylvan Library. Add role cards: Enlightened Tutor, Cataclysm, Aura of Silence when artifacts/enchantments matter, Seal of Cleansing, Naturalize, and Phantom Nishoba.

• Against graveyard or recursion decks: Use graveyard hate only when the opposing graveyard payoff is visible, known from matchup context, or about to resolve through legal engine prompts. Tormod's Crypt is the broad emergency hate card; Phyrexian Furnace is the selective pressure card, but Card text check required for exact Phyrexian Furnace modes. Priority targets are recursion enablers, threshold-style payoffs, flashback-like threats, and graveyard-dependent creatures larger than Terravore. Add role cards: Tormod's Crypt, Phyrexian Furnace, Enlightened Tutor, Swords to Plowshares, Naturalize, and Seal of Cleansing when the engine is artifact/enchantment-based.

• Against artifact/enchantment engines: Preserve Vindicate for the permanent that blocks the current win condition or creates an unbeatable engine. Priority targets are artifact mana under Sphere of Resistance, graveyard hate that stops Oath of Druids value, prison pieces that disable creature-lands, and enchantments that invalidate Terravore combat. Add role cards: Aura of Silence, Naturalize, Seal of Cleansing, Enlightened Tutor, Cataclysm, and Tormod's Crypt or Phyrexian Furnace only if graveyard components are visible.

Risk Summary

• Mana risk: The deck needs colored mana while playing Mox Diamond, Wasteland, Rishadan Port, Mishra's Factory, and Treetop Village, so do not sacrifice color access for mana denial unless the legal line locks the opponent or protects a decisive threat. City of Brass, Grand Coliseum, Gemstone Mine, and Windswept Heath carry real costs in damage, depletion, or timing.

• Matchup risk: Oath of Druids is powerful only when the opponent's creature count, clock, and interaction make an upkeep trigger valuable. Against creature-light decks, Terravore and creature-lands may need to win without Oath of Druids.

• Draw risk: Sylvan Library can find the missing land, Oath of Druids, removal, or closer, but extra-card life payments are dangerous against red decks, evasive clocks, and board states where Swords to Plowshares or Vindicate is still required.

• Over-sideboarding risk: Too many bullets dilute the core of Oath of Druids, Terravore, mana denial, and resilient lands. Add role cards only when the opponent's revealed plan makes the sideboard card materially better than a main-deck engine, threat, or answer.

• Graveyard risk: Terravore depends on lands in graveyards, while Tormod's Crypt and Phyrexian Furnace can shrink or distort that plan. Use graveyard hate for opposing payoffs, not as automatic cleanup.

• Sweeper/removal risk: Pyroclasm, Earthquake, Cataclysm, Swords to Plowshares, and Vindicate can conflict with creature-land pressure, Terravore sizing, or Oath of Druids setup. Confirm legal targets, damage scope, and board survival before choosing the answer.

• Closer risk: Terravore can be answered, Oath of Druids can miss timing if the opponent controls no creature, and creature-lands are mana-intensive under Sphere of Resistance. Keep at least one backup closing plan when possible.

• Interaction risk: Sphere of Resistance taxes Veles too, so sequencing it before Oath of Druids, Sylvan Library, or key removal can lock the deck under its own permanent. Wasteland and Rishadan Port should support the lock, not strand Veles off required colors.

• Sequencing risk: The highest-error turns involve Mox Diamond discard choices, deciding whether to remove the opponent's only creature before Oath of Druids, and choosing between mana denial and board stabilization. Let legal actions and visible clock decide the branch.

Test Feedback Checklist

• Deciding factor: Identify whether the game was decided by Oath of Druids, Terravore, land denial, Sphere of Resistance, creature-lands, sideboard bullets, or opponent speed. Record the first turn where the winning plan became clearly ahead on visible board state.

• Mulligan quality: Check whether the opening hand had a legal early plan with colored mana, Mox Diamond support, and either Oath of Druids, Sylvan Library, Sphere of Resistance, Swords to Plowshares, Vindicate, or land denial. Flag keeps that relied on drawing a specific colored source while holding Wasteland, Rishadan Port, Mishra's Factory, or Treetop Village.

• Mana execution: Record every painful City of Brass, Grand Coliseum, Windswept Heath, and Sylvan Library life payment that mattered. Note whether Mox Diamond discarded a land that later prevented Oath of Druids, Vindicate, Swords to Plowshares, Thermokarst, Winter's Grasp, or creature-land activation.

• Velocity and selection: Evaluate whether Sylvan Library found the missing engine, answer, land, or closer before the opponent's clock became decisive. Separate correct life-payment risks from unnecessary payments into red pressure, evasive clocks, or low-life board states.

• Engine performance: Track whether Oath of Druids was active, delayed by opponent creature count, stopped by removal/enchantment interaction, or strategically worse than casting Terravore. Note whether Veles removed the opponent's only creature before an upcoming Oath of Druids trigger and whether that choice was forced by survival.

• Mana denial performance: Record whether Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, Vindicate, and Sphere of Resistance actually denied the opponent a relevant play. Mark lines where mana denial was chosen while a visible creature clock or engine permanent required immediate interaction.

• Removal quality: Check whether Swords to Plowshares and Vindicate were spent on the permanent most connected to survival or winning. Flag premature Vindicate choices when later artifacts, enchantments, creature-lands, or blockers invalidated Oath of Druids, Terravore, Mishra's Factory, or Treetop Village.

• Sideboard impact: For each post-board game, record whether Aura of Silence, Cataclysm, Chill, Circle of Protection: Red, Earthquake, Enlightened Tutor, Naturalize, Phantom Nishoba, Phyrexian Furnace, Pyroclasm, Seal of Cleansing, Swords to Plowshares, or Tormod's Crypt was drawn, cast, stranded, or irrelevant. Compare each sideboard card to the main-deck card it displaced.

• Closing discipline: Check whether Terravore, Mishra's Factory, Treetop Village, or Phantom Nishoba closed quickly once control was established. Flag games where Veles kept trading resources after lethal pressure or a two-turn clock was visible.

• Role accuracy: Record whether Veles correctly acted as combo-control, mana-denial control, board-control stabilizer, or creature-land beatdown. Flag role swaps that ignored visible life totals, creature counts, opponent mana, or known revealed cards.

• Mistake review: List concrete errors involving Mox Diamond discard, Sphere of Resistance timing, Oath of Druids creature management, Rishadan Port timing, creature-land attacks, and sideboard overloading. Tie each mistake to the legal action set and visible state at the decision point.

• Stranded-card review: Record every stranded Oath of Druids, Terravore, Vindicate, Swords to Plowshares, Thermokarst, Winter's Grasp, Sylvan Library, or sideboard card. Identify whether the cause was color access, Sphere of Resistance tax, opponent board texture, poor sequencing, or no legal target.

First Tuning Questions

• Mana base question: If colored spells are stranded often, should the build reduce pressure from Wasteland, Rishadan Port, Mishra's Factory, or Treetop Village density, or should pilot policy become stricter about preserving City of Brass, Gemstone Mine, Grand Coliseum, Plains, Forest, and Windswept Heath access?

• Mox Diamond question: If Mox Diamond creates frequent card-disadvantage or color failures, should keeps require more lands before relying on it, especially hands with Oath of Druids plus Vindicate or Swords to Plowshares?

• Oath density question: If Oath of Druids is repeatedly dead against creature-light opponents, should sideboard plans lean harder into Terravore, creature-lands, Cataclysm, and Enlightened Tutor rather than protecting the full Oath package?

• Closer question: If games stabilize but do not end, should Phantom Nishoba appear in more post-board plans, or should Terravore and creature-land attack policies become more aggressive once the opponent is constrained?

• Aggro plan question: If red or swarm decks win before mana denial matters, should Chill, Circle of Protection: Red, Pyroclasm, Earthquake, Swords to Plowshares, and Phantom Nishoba receive broader sideboard priority over Thermokarst, Winter's Grasp, Sphere of Resistance, or Sylvan Library life-payment plans?

• Control plan question: If blue or removal-heavy decks answer single threats cleanly, should Veles prioritize mixed pressure from Oath of Druids, Terravore, Mishra's Factory, Treetop Village, Sphere of Resistance, and land destruction more deliberately?

• Sideboard-slot question: If Aura of Silence, Naturalize, Seal of Cleansing, Phyrexian Furnace, or Tormod's Crypt stays unused, was the matchup label wrong, the card too narrow, or the pilot failing to preserve it for visible artifact, enchantment, or graveyard payoffs?

• Role-conflict question: If Sphere of Resistance taxes Veles more than the opponent, should the policy delay Sphere of Resistance until after Oath of Druids, Sylvan Library, or key removal is deployed in more matchups?

• Removal-quantity question: If creature matchups still break through, does the fourth sideboard Swords to Plowshares solve the right problem, or are Pyroclasm, Earthquake, Cataclysm, and Phantom Nishoba the actual stabilizers?

• Graveyard-conflict question: If Tormod's Crypt or Phyrexian Furnace shrinks Terravore or disrupts Oath of Druids lines without stopping an opposing payoff, should graveyard hate require stricter visible-trigger or revealed-card evidence before use?

Veles Tactical Policy

Policy: Opening Hand Role Gate

• Priority: High
• Decision families: mulligan
• Cards: Mox Diamond; Oath of Druids; Sylvan Library; Sphere of Resistance; Swords to Plowshares; Vindicate; Terravore
• Phase windows: pregame; opening hand; mulligan decisions
• Runtime cues: prompt:mulligan; visible:opening hand
• Use when: deciding keep or mulligan from a hand whose lands, Mox Diamond, and colored spells are visible.
• Avoid when: the rules engine has already moved past mulligans.
• Instructions: Keep hands with credible colored mana and one of engine, selection, land denial, or removal; distrust hands with only Wasteland, Rishadan Port, Mishra's Factory, or Treetop Village as mana for colored spells. Count Mox Diamond as acceleration only when discarding a land does not cut off Oath of Druids, Vindicate, Swords to Plowshares, or Sylvan Library.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: First Engine Permanent Setup

• Priority: High
• Decision families: priority; mana
• Cards: Oath of Druids; Sylvan Library; Sphere of Resistance; Mox Diamond
• Phase windows: turns 1-3 main phases; post-mulligan setup
• Runtime cues: legal actions include casting Oath of Druids, Sylvan Library, Sphere of Resistance, or Mox Diamond
• Use when: selecting the first nonland permanent that defines the opening plan.
• Avoid when: immediate survival requires Swords to Plowshares, Vindicate, Pyroclasm, Earthquake, or Circle of Protection: Red.
• Instructions: Prefer Oath of Druids when the opponent is likely or visibly creature-based and Veles can avoid controlling excess creatures; prefer Sylvan Library when the hand lacks the missing mana, answer, or threat; prefer Sphere of Resistance when Veles has already deployed needed mana or the opponent's curve is visibly constrained.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Oath Commitment Gate

• Priority: High
• Decision families: priority; selection
• Cards: Oath of Druids; Terravore; Phantom Nishoba
• Phase windows: upkeep trigger windows; main phases before committing creatures
• Runtime cues: visible:opponent creature count; visible:own creature count; legal actions involving Oath of Druids
• Use when: deciding whether to rely on Oath of Druids as the active plan or to pivot into cast threats and creature-lands.
• Avoid when: no Oath of Druids action or trigger is exposed by the engine.
• Instructions: Commit to Oath lines when visible creature counts and board texture make the engine live or close to live; avoid removing the opponent's only creature before the next relevant Oath window unless survival or a higher-priority permanent demands it. Treat exact Oath card text as rules-engine authority.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Deterministic Oath Reveal Continue

• Priority: Medium
• Decision families: selection
• Cards: Oath of Druids
• Phase windows: Oath of Druids resolution prompts
• Runtime cues: action:continue Oath of Druids
• Use when: exactly one legal action text contains continue Oath of Druids and no alternative card-selection action is listed.
• Avoid when: multiple Oath of Druids choices or visible stop choices are present.
• Instructions: Select the listed continue action and let the rules engine reveal or move cards according to legal output.
• Pilot skill floor: no-api
• No-API allowed: yes
• Light-model allowed: yes

Policy: Mox Diamond Land Discard

• Priority: Medium
• Decision families: mana; selection
• Cards: Mox Diamond; City of Brass; Gemstone Mine; Grand Coliseum; Forest; Plains; Wasteland; Rishadan Port; Mishra's Factory; Treetop Village; Windswept Heath
• Phase windows: early main phases; Mox Diamond resolution
• Runtime cues: prompt:discard a land; source:Mox Diamond
• Use when: choosing a land to discard for Mox Diamond.
• Avoid when: no Mox Diamond discard prompt is active.
• Instructions: Preserve the colored source needed for visible hand spells before preserving utility lands; discard redundant tapped creature-lands or extra colorless lands only when colored access remains for current and near-term legal actions. Preserve Wasteland or Rishadan Port when the visible plan is mana denial and colored mana is already covered.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Pain Mana Conservation

• Priority: Medium
• Decision families: mana
• Cards: City of Brass; Grand Coliseum; Gemstone Mine; Windswept Heath; Sylvan Library
• Phase windows: all payment windows; draw step; main phases
• Runtime cues: legal actions require colored mana or life payment
• Use when: choosing among painful colored sources, fetches, and Sylvan Library life payments.
• Avoid when: the action is mandatory and the engine exposes only one legal payment.
• Instructions: Spend life for mana or cards when it unlocks Oath of Druids, Swords to Plowshares, Vindicate, Sylvan Library stabilization, or a closing threat; refuse extra life payments when visible attacks or burn-like pressure can make the payment lethal before stabilization.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Sphere Prison Timing

• Priority: High
• Decision families: priority; mana
• Cards: Sphere of Resistance; Mox Diamond; Oath of Druids; Sylvan Library; Swords to Plowshares; Vindicate
• Phase windows: early main phases; before opponent development turns
• Runtime cues: action:cast Sphere of Resistance
• Use when: deciding whether to cast Sphere of Resistance before deploying Veles's own colored spells.
• Avoid when: Veles must cast an answer this turn or next turn and Sphere of Resistance would visibly tax that answer out of reach.
• Instructions: Cast Sphere of Resistance when Veles has mana advantage from Mox Diamond or lands and the opponent's visible mana is tight; delay it when it strands Oath of Druids, Swords to Plowshares, Vindicate, or Sylvan Library in hand.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Land Denial Target Gate

• Priority: Medium
• Decision families: interaction; priority
• Cards: Wasteland; Rishadan Port; Thermokarst; Winter's Grasp; Vindicate
• Phase windows: main phases; opponent upkeep for Rishadan Port
• Runtime cues: legal actions include Wasteland, Rishadan Port, Thermokarst, Winter's Grasp, or Vindicate targeting lands
• Use when: choosing whether land denial is stronger than board interaction.
• Avoid when: visible creatures or permanents create lethal or near-lethal pressure requiring immediate removal.
• Instructions: Attack mana when it cuts the opponent off a visible color, keeps them under Sphere of Resistance, or prevents a known public spell line; choose removal instead when a creature, artifact, enchantment, or creature-land is the immediate reason Veles is losing.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Upkeep Port Tap

• Priority: Low
• Decision families: interaction; mana
• Cards: Rishadan Port
• Phase windows: opponent upkeep
• Runtime cues: action:activate Rishadan Port
• Use when: Rishadan Port is untapped, opponent controls a land that can be targeted, and Veles has no exposed instant-speed survival action needing that mana in the same window.
• Avoid when: the same mana is visibly required for Swords to Plowshares, Naturalize, Seal of Cleansing, Circle of Protection: Red, or other legal interaction before combat or end step.
• Instructions: Use Rishadan Port to constrain the opponent's most relevant visible colored or utility land, especially under Sphere of Resistance; route target selection through light-model because the target depends on visible colors, lands, and public threats.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Removal Survival Gate

• Priority: High
• Decision families: interaction; priority
• Cards: Swords to Plowshares; Vindicate; Earthquake; Pyroclasm; Cataclysm
• Phase windows: combat steps; main phases; end steps when legal
• Runtime cues: legal actions include removal or sweeper actions
• Use when: visible attackers, blockers, permanents, or board state threaten survival, Oath of Druids viability, or a closing attack.
• Avoid when: no legal removal action is currently listed.
• Instructions: Spend Swords to Plowshares on the creature most connected to survival or race math; spend Vindicate on the permanent type that blocks the current plan; use Pyroclasm or Earthquake when the visible board contains multiple creatures that matter more than Veles's own creature-land activation plan.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Artifact And Enchantment Answer Gate

• Priority: Medium
• Decision families: interaction; priority
• Cards: Aura of Silence; Naturalize; Seal of Cleansing; Vindicate; Enlightened Tutor
• Phase windows: main phases; opponent end step; stack windows when legal
• Runtime cues: legal actions include Aura of Silence, Naturalize, Seal of Cleansing, Vindicate, or Enlightened Tutor
• Use when: a visible artifact or enchantment interferes with Oath of Druids, Terravore, creature-land combat, mana, or survival.
• Avoid when: the target is low impact compared with visible lethal pressure or a required engine commitment.
• Instructions: Answer hate or engine permanents that change the current plan before answering generic value permanents; use Enlightened Tutor only after selecting the needed sideboard card or engine card through light-model reasoning.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Graveyard Hate Gate

• Priority: Medium
• Decision families: interaction; selection
• Cards: Phyrexian Furnace; Tormod's Crypt; Terravore; Oath of Druids
• Phase windows: main phases; opponent graveyard-combo windows; response windows when legal
• Runtime cues: legal actions include Phyrexian Furnace or Tormod's Crypt
• Use when: public graveyard contents or revealed information show an opposing graveyard payoff, recursion line, threshold pressure, or combo dependency.
• Avoid when: using graveyard hate would shrink Terravore or disrupt an Oath of Druids plan without stopping a visible opposing payoff.
• Instructions: Fire Tormod's Crypt or Phyrexian Furnace for concrete public graveyard threats; preserve them when the opponent's graveyard is not currently tied to a visible legal action or known payoff.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Terravore Commitment Gate

• Priority: Medium
• Decision families: priority; combat
• Cards: Terravore; Wasteland; Thermokarst; Winter's Grasp; Vindicate
• Phase windows: main phases; combat planning
• Runtime cues: action:cast Terravore; visible:graveyards
• Use when: Terravore is legal to cast or attack planning depends on its visible size.
• Avoid when: Oath of Druids is the active plan and controlling Terravore would visibly disable or weaken the next Oath window.
• Instructions: Cast Terravore when graveyards make it a credible clock or blocker and the Oath plan is inactive, answered, or slower than pressure; pair land destruction with Terravore only when it also disrupts opponent mana or improves the race.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Creature-Land Combat Gate

• Priority: Medium
• Decision families: combat; mana
• Cards: Mishra's Factory; Treetop Village
• Phase windows: beginning of combat; declare attackers; declare blockers; end step activations when legal
• Runtime cues: legal actions include activating or attacking with Mishra's Factory or Treetop Village
• Use when: deciding whether creature-lands should attack, block, or remain mana sources.
• Avoid when: activating the land prevents casting required interaction or exposes a needed mana source to visible removal or combat loss.
• Instructions: Attack with creature-lands when pressure advances a visible clock and does not compromise mana for interaction; block when preserving life matters more than keeping the land. Route combat judgment through light-model unless exactly one legal action remains.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Sylvan Library Draw Selection

• Priority: Medium
• Decision families: selection
• Cards: Sylvan Library
• Phase windows: draw step; Sylvan Library resolution
• Runtime cues: prompt:Sylvan Library; visible:cards offered by engine
• Use when: choosing card order or life payments from Sylvan Library prompts.
• Avoid when: the engine exposes only mandatory ordering with no choice.
• Instructions: Take extra cards when they immediately provide missing mana, Oath of Druids, interaction, or a closing threat and life total can absorb visible pressure; preserve life when already under a short clock or when extra cards do not affect current legal lines.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Sideboard Lock Gate

• Priority: High
• Decision families: sideboard
• Cards: Aura of Silence; Cataclysm; Chill; Circle of Protection: Red; Earthquake; Enlightened Tutor; Naturalize; Phantom Nishoba; Phyrexian Furnace; Pyroclasm; Seal of Cleansing; Swords to Plowshares; Tormod's Crypt; Thermokarst; Winter's Grasp; Sphere of Resistance; Sylvan Library; Oath of Druids; Terravore
• Phase windows: between games; sideboard submission
• Runtime cues: prompt:sideboard; match_stage:post-board
• Use when: selecting or validating a post-board plan from legal registered cards.
• Avoid when: a game is already in progress or the sideboard action set is absent.
• Instructions: Add red hate against red pressure, sweepers against swarm boards, artifact/enchantment answers against visible permanent engines, graveyard hate against public graveyard dependency, and Phantom Nishoba when stabilization plus lifegain is needed. Reduce main-deck emphasis on slow land denial, painful selection, or dead Oath lines only through validated legal swaps.
• Pilot skill floor: light-model
• No-API allowed: no
• Light-model allowed: yes

Policy: Exact Single Legal Pass

• Priority: Low
• Decision families: priority
• Cards: none
• Phase windows: any priority window
• Runtime cues: action:pass priority
• Use when: exactly one legal action is present and its text contains pass priority.
• Avoid when: any other legal spell, ability, attack, block, target, payment, or selection action is present.
• Instructions: Select the visible pass action because the engine exposes no alternative legal choice.
• Pilot skill floor: no-api
• No-API allowed: yes
• Light-model allowed: yes

Policy: Deterministic Required Payment

• Priority: Low
• Decision families: mana
• Cards: none
• Phase windows: cost payment prompts
• Runtime cues: action:pay
• Use when: exactly one legal action is present and its text contains pay for the spell or ability already selected.
• Avoid when: multiple payment actions are listed or payment choices spend different visible sources.
• Instructions: Select the sole listed payment action and rely on the rules engine for legality.
• Pilot skill floor: no-api
• No-API allowed: yes
• Light-model allowed: yes