Enduring Vitality (Promo Pack) [Duskmourn: House of Horror Promos] Secret Lair Drop Promos where X is the total

where X is the total mana value of historic permanents you control

Set: The Brothers' War Type: Sorcery Rarity: Rare Cost: {1}{B} As an additional cost to cast this spell

Set: Secret Lair Drop Series Type: Instant Rarity: Rare Cost: {3}{B} If you control a Swamp

Set: From the Vault: Realms Type: Legendary Land Rarity: Mythic Boseiju

Set: Secret Lair Drop Series Type: Creature — Rat Rarity: Rare Cost: {1}{B} Rat Colony gets +1/+0 for each other Rat you control

Enduring Vitality (Promo Pack) [Duskmourn: House of Horror Promos] Secret Lair Drop Promos where X is the totalSet: Duskmourn: House of Horror Promos Type: Creature Enchantment Elk Rarity: Rare 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 it owner's contorl. It's an enchantment. (It't not a creature.)