Noxious Vapors 
Sorcery
$0.24 #24918 1.07 25.6 years
Each player reveals their hand, chooses one card of each color from it, then discards all other nonland cards.
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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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