Nightmare [Collectors' Edition] Yanggu where X is your life

where X is your life total

Artifact creatures with indestructible can't be destroyed by damage

Set: Seventh Edition Type: Artifact Rarity: Rare Cost: {3} Creatures with power greater than the number of cards in your hand can't attack

sacrifice Junún Efreet unless you pay {B}{B}

Set: Zendikar Expeditions Type: Land — Plains Swamp Rarity: Mythic ({T}: Add {W} or {B}

Nightmare [Collectors' Edition] Yanggu where X is your lifeSet: Collectors' Edition Type: Creature Nightmare Horse Rarity: Rare Cost: {5}{B} Flying (This creature can't be blocked except by creatures with flying or reach.) Nightmare's power and toughness are each equal to the number of Swamps you control. The Nightmare arises from its lair in the swamps. As the poisoned land spreads, so does the Nightmare's rage and terrifying strength.