Familiar's Ruse 

Instant
As an additional cost to cast this spell, return a creature you control to its owner's hand.
Counter target spell.
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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.
Grazilaxx, Illithid Scholar 82%
$2.46#1901
"Whenever a creature you control becomes blocked, you may return it to its owner's hand."
Cunning Evasion 82%
$0.36#7156
"Whenever a creature you control becomes blocked, you may return it to its owner's hand."
Voidmage Husher 82%
$0.24#18970
"Whenever you cast a spell, you may return this creature to its owner's hand."