Cunning Evasion {1}{U}
Enchantment
Whenever a creature you control becomes blocked, you may return it 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.
Grazilaxx, Illithid Scholar 100%
$2.46#1901
"Whenever a creature you control becomes blocked, you may return it to its owner's hand."
Saprazzan Raider 86%
$0.27#31493
"When this creature becomes blocked, return it to its owner's hand."