Void Winnower 
Creature — Eldrazi
$20.51 #1697 1.96 10.9 years
Your opponents can't cast spells with even mana values. (Zero is even.)
Your opponents can't block with creatures with even mana values.
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Cards similar to Void Winnower 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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, 
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, : Each creature with mana value X can't attack or block this turn."
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