Ancient Hellkite {4}{R}{R}{R}
Creature — Dragon
Flying
{R}: This creature deals 1 damage to target creature defending player controls. Activate only if this creature is attacking.
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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.