Murk Strider 

Creature — Eldrazi Processor
$0.05 #25877 0.11 10.9 years
Devoid (This card has no color.)
When this creature enters, you may put a card an opponent owns from exile into that player's graveyard. If you do, return target creature to its owner's hand.
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Cards similar to Murk Strider 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.
Wasteland Strangler89%
$0.24↑#238130.65↑10.9 years
"When this creature enters, you may put a card an opponent owns from exile into that player's graveyard. If you do, target creature gets -3/-3 until end of turn."
+1 more matching line
Bigfin Bouncer83%
$0.18↑#14235↑0.181.8 years↓
"When this creature enters, return target creature an opponent controls to its owner's hand."
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$0.06↑#15333↑0.198.1 years↓
"When this creature enters, return target creature an opponent controls to its owner's hand."
Iceridge Serpent83%
$0.09↑#19754↑0.211.4 years↓
"When this creature enters, return target creature an opponent controls to its owner's hand."
Riddlemaster Sphinx82%
$0.21↑#207300.148.1 years↓
"When this creature enters, you may return target creature an opponent controls to its owner's hand."
Separatist Voidmage81%
$0.19↑#256090.1411.1 years
"When this creature enters, you may return target creature to its owner's hand."
Voidwielder81%
$0.10↑#288600.25↑13.9 years↑
"When this creature enters, you may return target creature to its owner's hand."
Man-o'-War81%
$0.08↑#8082↑0.45↑29.6 years↑
"When this creature enters, return target creature to its owner's hand."
Aether Adept81%
$0.09↑#12713↑0.32↑16.1 years↑
"When this creature enters, return target creature to its owner's hand."
Mind Raker81%
$0.08↑#248660.29↑10.9 years
"When this creature enters, you may put a card an opponent owns from exile into that player's graveyard. If you do, each opponent discards a card."
+1 more matching line