Vat of Rebirth {B}
Artifact
Whenever another artifact or creature you control is put into a graveyard from the battlefield, put an oil counter on this artifact.
{2}{B}, {T}, Remove four oil counters from this artifact: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery.
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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.
Forgehammer Centurion 91%
$0.09#21835
"Whenever another creature or artifact you control is put into a graveyard from the battlefield, put an oil counter on this creature."
Charforger 91%
$0.15#20270
"Whenever another creature or artifact you control is put into a graveyard from the battlefield, put an oil counter on this creature."
Necrosquito 91%
$0.25#14969
"Whenever another creature or artifact you control is put into a graveyard from the battlefield, put an oil counter on this creature."
Whip of Erebos 82%
$8.29#710
"{2}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step. If it would leave the battlefield, exile it instead of putting it anywhere else. Activate only as a sorcery."
Geth, Thane of Contracts 82%
$0.12#20281
"{1}{B}{B}, {T}: Return target creature card from your graveyard to the battlefield. It gains "If this creature would leave the battlefield, exile it instead of putting it anywhere else." Activate only as a sorcery."