Kulrath Zealot {5}{R}
Creature — Elemental Warrior
When this creature enters, exile the top card of your library. Until the end of your next turn, you may play that card.
Basic landcycling {1}{R} ({1}{R}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)
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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.
Crimson Operative 100%
$0.15#26691
"When this creature enters, exile the top card of your library. Until the end of your next turn, you may play that card."
Alania's Pathmaker 100%
$0.15#11629
"When this creature enters, exile the top card of your library. Until the end of your next turn, you may play that card."
Equilibrium Adept 100%
$0.13#20744
"When this creature enters, exile the top card of your library. Until the end of your next turn, you may play that card."
Irascible Wolverine 100%
$0.06#21406
"When this creature enters, exile the top card of your library. Until end of turn, you may play that card."
+1 more matching line
Abbot of Keral Keep 100%
$0.30#16697
"When this creature enters, exile the top card of your library. Until end of turn, you may play that card."
Goblin Researcher 100%
$0.12#25141
"When this creature enters, exile the top card of your library. During any turn you attacked with this creature, you may play that card."