Gríma, Saruman's Footman {2}{U}{B}
Legendary Creature — Human Advisor
Gríma can't be blocked.
Whenever Gríma deals combat damage to a player, that player exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then that player puts the exiled cards that weren't cast this way on the bottom of their library in a random order.
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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.
Dazzling Sphinx 86%
$0.37#6235
"Whenever this creature deals combat damage to a player, that player exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then that player puts the exiled cards that weren't cast this way on the bottom of their library in a random order."
Ant-Man, Elusive Avenger 88%
$1.14#16411
"this card can't be blocked by creatures with greater power."
Arvinox, the Mind Flail 86%
$0.38#4746
"this card isn't a creature unless you control three or more permanents you don't own."