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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 Magic Online Promos
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Yahenni's Expertise (PRM 62989 foil) is a black sorcery promo reprint from the Magic Online Promos set. It gives all creatures -3/-3 until end of turn and lets you cast a spell with mana value 3 or less from your hand without paying its mana cost. The card commonly functions as a tempo-swing play that clears small creatures while enabling a free low-cost spell for card advantage or a game-ending combo piece.
Catalog pricing data as of 2 May 2026, 21:43
