Dovescape 
Enchantment
$5.08 #12061 1.21 20.3 years
( can be paid with either 
or 
.)
can be paid with either or .)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.
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Cards similar to Dovescape 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.
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