Spelltithe Enforcer 


Creature — Elephant Wizard
Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay {1}.
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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.
Michiko Konda, Truth Seeker 85%
$8.71#5904
"Whenever a source an opponent controls deals damage to you, that player sacrifices a permanent of their choice."