Gaea's Herald 

Creature — Elf
$1.18 #12461 1.40 25.6 years
Creature spells can't be countered.
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Cards similar to Gaea's Herald 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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"
,
: The next spell you cast this turn can't be countered."