Roaring Primadox {3}{G}
Creature — Beast
At the beginning of your upkeep, return a creature you control to its owner's hand.
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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.
Species Gorger 100%
$0.17#13287
"At the beginning of your upkeep, return a creature you control to its owner's hand."
Trusted Advisor 91%
$0.31#20382
"At the beginning of your upkeep, return a blue creature you control to its owner's hand."
Skull Collector 90%
$0.32#20268
"At the beginning of your upkeep, return a black creature you control to its owner's hand."
Stampeding Wildebeests 89%
$0.35#24338
"At the beginning of your upkeep, return a green creature you control to its owner's hand."
Stampeding Serow 89%
$0.16#24834
"At the beginning of your upkeep, return a green creature you control to its owner's hand."
Oni of Wild Places 88%
$0.34#23841
"At the beginning of your upkeep, return a red creature you control to its owner's hand."
Eiganjo Free-Riders 87%
$0.17#26845
"At the beginning of your upkeep, return a white creature you control to its owner's hand."
Imaginary Pet 86%
$0.45#24041
"At the beginning of your upkeep, if you have a card in hand, return this creature to its owner's hand."
Sunken Hope 84%
$0.23#22050
"At the beginning of each player's upkeep, that player returns a creature they control to its owner's hand."