Viridian Lorebearers {3}{G}
Creature — Elf Shaman
{3}{G}, {T}: Target creature gets +X/+X until end of turn, where X is the number of artifacts your opponents 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.
Nantuko Mentor 87%
$0.36#22957
"{2}{G}, {T}: Target creature gets +X/+X until end of turn, where X is that creature's power."