Yahenni's Expertise - Foil Tweet Out of stock. Wishlist Details Artist: Daarken Card Number: 075/184 Card Text: All creatures get -3/-3 until end of turn. You may cast a card with converted mana cost 3 or less from your hand without paying its mana cost. Card Type: Sorcery Color: Black Cost: 2BB Finish: Foil Name: Yahenni's Expertise Rarity: R Set Name: Aether Revolt