Block a user
Bident of Thassa force-attack activation is used on controller's own upkeep
Mistbind Clique targets the wrong player from the wrong timing window
Pithing Needle names cards with no activated abilities without a clear blank-name plan
Whir of Invention emits repeated single-legal improvise prompts until the decision cap
Lantern blind-mills Dredge and fuels the opponent's graveyard engine
Safety override may over-suppress Past in Flames combo branches
Gifts Ungiven appears legal during upkeep through Teferi static
Draw-Go taps out for Teferi after identifying the need to hold interaction
The Wandering Emperor +1 chooses no target despite a real Samurai clock
Storm fires nonlethal Grapeshot into open blue mana
Prismatic Ending is spent on Baral without removing the cost reducer