Nightmare [Alpha Edition] Plant Wall Set: Commander's Arsenal Type: Legendary

Set: Commander's Arsenal Type: Legendary Creature — Human Cleric Rarity: Mythic Cost: {1}{R}{W}{B} Flying

searches their library for a card

Whenever another nontoken creature enters the battlefield under your control

Set: Dominaria Prerelease Promos Type: Legendary Sorcery Rarity: Rare Cost: {5}{W}{B} (You may cast a legendary sorcery only if you control a legendary creature or planeswalker

Set: Gateway 2007 Type: Instant Rarity: Rare Cost: {U}{U} Return target permanent to its owner's hand

Nightmare [Alpha Edition] Plant Wall Set: Commander's Arsenal Type: LegendarySet: Alpha 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.