Project Deathlok Soldier 
Artifact Creature — Zombie Soldier
{2}{B}: Return this card from your graveyard to your 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.
Altar of the Wretched // Wretched Bonemass 100%
$1.39#7467
"{2}{B}: Return this card from your graveyard to your hand."