Gray Merchant of Asphodel [Promo Pack: Theros Beyond Death]

Set: Promo Pack: Theros Beyond Death Type: Creature — Zombie Rarity: Uncommon Cost: null When Gray Merchant of Asphodel enters the battlefield, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each B in the mana costs of permanents you control counts towards your devotion to black.)