Enduring Vitality [Duskmourn: House of Horror Promos]

Set: Duskmourn: House of Horror Promos Type: Creature Enchantment — Elk Rarity: Rare Cost: {1}{G}{G} VigilanceCreatures you control have "T: Add one mana of any color."When Enduring Vitality dies, if it was a creature, return it to the battlefield under it owner's contorl. It's an enchantment. (It't not a creature.)