Name: Yahenni's Expertise Cost: 2BB CMC: 4 Color: B CID: B Type: Sorcery Rules Text: 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. Set/Rarity: Magic Online Promos rare, Aether Revolt rare, Aether Revolt Promos rare, Kaladesh Remastered rare Legality: Legal in gladiator, Legal in commander, Legal in oathbreaker, Legal in duel, Legal in modern, Legal in historic, Legal in legacy, Legal in pioneer, Legal in timeless, Legal in penny, Legal in brawl, Legal in vintage Price: $0.47 Foil price: $0.65