Mind Whip {2}{B}{B}
Enchantment — Aura
Enchant creature
At the beginning of the upkeep of enchanted creature's controller, that player may pay {3}. If they don't, this Aura deals 2 damage to that player and you tap that creature.
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Cards that do something similar expected a card that isn't here?
Reports become test cases the matcher is graded against before an update ships. Delvefall isn't a chatbot guessing, it compares the printed rules text of every card with plain math, and examples like yours decide which differences should count.
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$0.22#18662
"Enchanted creature can't be blocked unless defending player pays {3} for each creature they control that's blocking it."
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