Enduring Vitality (Japan Showcase) [Duskmourn: House of Horror] World Enchantment we were able to convert

we were able to convert sky-dock assisters into a defense system for the Aether Spire

then return that card to the battlefield under its owner's control

if it didn't have decayed

Once you have ascended to the highest temple of Orazca

Enduring Vitality (Japan Showcase) [Duskmourn: House of Horror] World Enchantment we were able to convertSet: Duskmourn: House of Horror Type: Enchantment Creature Elk Glimmer Rarity: Mythic Cost: {1}{G}{G} Vigilance Creatures 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 its owner's control. It's an enchantment. (It's not a creature.)