Murk Strider 

Creature — Eldrazi Processor
$0.06 #26135 0.05 11.0 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%
$0.25↑#240780.21↑11.0 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%
$0.21↑#14247↑0.19↑1.9 years↓
"When this creature enters, return target creature an opponent controls to its owner's hand."
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$0.08↑#15551↑0.31↑8.3 years↓
"When this creature enters, return target creature an opponent controls to its owner's hand."
Iceridge Serpent83%
$0.09↑#19784↑0.29↑1.5 years↓
"When this creature enters, return target creature an opponent controls to its owner's hand."
Riddlemaster Sphinx82%
$0.29↑#19899↑0.148.3 years↓
"When this creature enters, you may return target creature an opponent controls to its owner's hand."
Voidwielder81%
$0.07↑#291240.1114.0 years↑
"When this creature enters, you may return target creature to its owner's hand."
Separatist Voidmage81%
$0.15↑#259790.25↑11.3 years
"When this creature enters, you may return target creature to its owner's hand."
Man-o'-War81%
$0.10↑#8153↑0.1429.7 years↑
"When this creature enters, return target creature to its owner's hand."
Aether Adept81%
$0.08↑#12868↑0.1216.3 years↑
"When this creature enters, return target creature to its owner's hand."
Mind Raker81%
$0.07↑#250310.1111.0 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