Crossroads Candleguide 
Artifact Creature — Scarecrow
When this creature enters, exile up to one target card from a graveyard.
{2}: Add one mana of any color.
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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.
Soul-Guide Gryff 100%
$0.04#26524
"When this creature enters, exile up to one target card from a graveyard."
Ambush Wolf 100%
$0.13#16561
"When this creature enters, exile up to one target card from a graveyard."
Mechanical Mobster 99%
$0.11#14918
"When this creature enters, exile up to one target card from a graveyard. Target creature you control connives."
Corpse Appraiser 88%
$0.16#20190
"When this creature enters, exile up to one target creature card from a graveyard. If a card is put into exile this way, look at the top three cards of your library, then put one of those cards into your hand and the rest into your graveyard."
Diregraf Scavenger 82%
$0.17#19586
"When this creature enters, exile up to one target card from a graveyard. If a creature card was exiled this way, each opponent loses 2 life and you gain 2 life."
Barrels of Blasting Jelly 98%
$0.20#11560
"{1}: Add one mana of any color. Activate only once each turn."