Projektor Inspector {2}{U}
Creature — Human Detective
Whenever this creature or another Detective you control enters and whenever a Detective you control is turned face up, you may draw a card. If you do, discard a card.
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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.
Sage of the Falls 82%
$0.18#14354
"Whenever this creature or another non-Human creature you control enters, you may draw a card. If you do, discard a card."
Guardian Project 81%
$14.82#315
"Whenever a nontoken creature you control enters, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card."