Enduring Tenacity [Duskmourn: House of Horror Promos]

Set: Duskmourn: House of Horror Promos Type: Creature Enchantment — Snake Rarity: Rare Cost: {2}{B}{B} Whenever you gain life, target opponent loses that much life.When Enduring Tenacity dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)