Vengeful Archon {4}{W}{W}{W}
Creature — Archon
Flying
{X}: Prevent the next X damage that would be dealt to you this turn. If damage is prevented this way, this creature deals that much damage to target player or planeswalker.
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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.
Shield of the Ages 88%
#30127
"{2}: Prevent the next 1 damage that would be dealt to you this turn."