Heaven // Earth {X}{G} // {X}{R}{R}
Instant // Sorcery
Heaven deals X damage to each creature with flying.
Aftermath (Cast this spell only from your graveyard. Then exile it.)
Earth deals X damage to each creature without flying.
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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.