Nullstone Gargoyle {9}
Artifact Creature — Gargoyle
Flying
Whenever the first noncreature spell of a turn is cast, counter that spell.
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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.
Dovescape 80%
$4.38#11894
"Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value."