Hidetsugu, Devouring Chaos {3}{B}
Legendary Creature — Ogre Demon
{B}, Sacrifice a creature: Scry 2.
{2}{R}, {T}: Exile the top card of your library. You may play that card this turn. When you exile a nonland card this way, Hidetsugu deals damage equal to the exiled card's mana value to any target.
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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.
Cori Mountain Monastery 91%
$1.19#3718
"{3}{R}, {T}: Exile the top card of your library. Until the end of your next turn, you may play that card."
Geistflame Reservoir 90%
$0.18#16934
"{1}{R}, {T}: Exile the top card of your library. You may play that card this turn."