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 Promos rare, Aether Revolt rare, Kaladesh Remastered rare Set Code: PRM-R, PAER-R, AER-R, KLR-R Legality: Legal in brawl, Legal in oathbreaker, Legal in timeless, Legal in commander, Legal in vintage, Legal in penny, Legal in competitivebrawl, Legal in pioneer, Legal in gladiator, Legal in historic, Legal in duel, Legal in modern, Legal in legacy Price: $0.40 Foil price: $0.91