Grimoire Thief 
Creature — Merfolk Rogue
$0.68 #23789 0.19 18.7 years
Whenever this creature becomes tapped, exile the top three cards of target opponent's library face down.
You may look at cards exiled with this creature.
, Sacrifice this creature: Turn all cards exiled with this creature face up. Counter all spells with those names.Click a line or tag to filter
Cards similar to Grimoire Thief 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.
Mindreaver88%
$0.12↓#31298↓0.38↑12.7 years↓
", Sacrifice this creature: Counter target spell with the same name as a card exiled with this creature."
, Sacrifice this creature: Counter target spell with the same name as a card exiled with this creature."+1 more matching line
Daring Apprentice76%
$0.32↓#17223↑0.2230.0 years↑
"
, Sacrifice this creature: Counter target spell."
, Sacrifice this creature: Counter target spell."
Jester's Scepter73%
$0.45↓#236490.30↑20.2 years↑
"When this artifact enters, exile the top five cards of target player's library face down. You may look at those cards for as long as they remain exiled."
+1 more matching line