Demonic Covenant [Duskmourn: House of Horror Commander]

Set: Duskmourn: House of Horror Commander Type: Kindred Enchantment — Demon Rarity: Rare Cost: {4}{B}{B} Whenever one or more Demons you control attack a player, you draw a card and lose 1 life.At the beginning of your end step, create a 5/5 black Demon creature token with flying, then mill two cards. If two cards that share all their card types were milled this way, sacrifice Demonic Covenant.