Reclusive Artificer {2}{U}{R}
Creature — Human Artificer
Haste (This creature can attack and {T} as soon as it comes under your control.)
When this creature enters, you may have it deal damage to target creature equal to the number of artifacts you control.
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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.