MAGIC: THE GATHERING
DUSKMOURN: HOUSE OF HORROR PROMOS (188P)
Card InfoRarity: Rare
Mana Cost: {2}{G}{G}
If Leyline of Mutation 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.