Name: Leyline of Mutation Cost: 2GG CMC: 4 Color: G CID: WUBRG Type: Enchantment Rules Text: If this card is in your opening hand, you may begin the game with it on the battlefield. You may pay {W}{U}{B}{R}{G} rather than pay the mana cost for spells you cast. Set/Rarity: Duskmourn: House of Horror Promos rare, Duskmourn: House of Horror rare Set Code: PDSK-R, DSK-R Legality: Legal in pioneer, Legal in modern, Legal in future, Legal in commander, Legal in oathbreaker, Legal in alchemy, Legal in standard, Legal in gladiator, Legal in penny, Legal in historic, Legal in vintage, Legal in timeless, Legal in legacy, Legal in brawl, Legal in standardbrawl, Legal in duel Price: $0.30 Foil price: $0.32