Scholar of Stars 

Creature — Human Artificer
When this creature enters, if you control an artifact, draw 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.
Transplant Theorist 87%
$0.24#9610
"Whenever this creature or another artifact you control enters, you may draw a card. If you do, discard a card."
Skyswimmer Koi 84%
$0.15#17003
"Whenever an artifact you control enters, you may draw a card. If you do, discard a card."
Donatello, Turtle Techie 83%
$0.16#20274
"When this card enters, if you control an artifact, draw a card."
Rook Turret 83%
$0.18#8791
"Whenever another artifact you control enters, you may draw a card. If you do, discard a card."
Losheel, Clockwork Scholar 82%
$2.69#1544
"Whenever one or more artifact creatures you control enter, draw a card. This ability triggers only once each turn."