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All creatures get -3/-3 until end of turn. You may cast a spell with mana value 3 or less from your hand without paying its mana cost.
Abilities, attacks, weakness & resistance
Other cards from Aether Revolt Promos
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Yahenni's Expertise (PAER-75 prerelease stamp) is a black sorcery from the Aether Revolt promos. It gives all creatures -3/-3 until end of turn and then lets you cast a spell with mana value 3 or less from your hand without paying its mana cost. The card serves both as a mass removal/tempo play and a way to deploy a low-cost combo or tempo piece for free.
Catalog pricing data as of 22 Apr 2026, 19:38
