Nightmare [International Collectors' Edition] Betrayers of Kamigawa Promos put a +1/+1 counter on

put a +1/+1 counter on Khabál Ghoul for each creature that died this turn

{3}{W/B}{W/B}{W/B}: If Warden of the First Tree is a Spirit

you may return target card named Groffskithur from your graveyard to your hand

darker worlds

Enchanted land has indestructible and can't be enchanted by other Auras

Nightmare [International Collectors' Edition] Betrayers of Kamigawa Promos put a +1/+1 counter onSet: International 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.