Metalworker {3}
Artifact Creature — Construct
{T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way.
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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.