Nightmare [Collectors' Edition] Theros Promos where X is the number

where X is the number of tapped creatures you control

Set: Shadowmoor Type: Sorcery Rarity: Uncommon Cost: {2/B}{2/B}{2/B} ({2/B} can be paid with any two mana or with {B}

Set: Dominaria Prerelease Promos Type: Legendary Creature — Human Knight Rarity: Uncommon Cost: {2}{W} First strike

where X is the number of enchantments you control

Whenever enchanted creature deals damage to a player

Nightmare [Collectors' Edition] Theros Promos where X is the numberSet: 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.