Nightmare [Alpha Edition] Urza's Legacy When Dragonlord Atarka enters the

When Dragonlord Atarka enters the battlefield

If it doesn't

If it isn't a land card

Set: Amonkhet Invocations Type: Instant Rarity: Mythic Cost: {U} Change the target of target spell with a single target unless that spell's controller pays {2}

Sacrifice Verdant Catacombs: Search your library for a Swamp or Forest card

Nightmare [Alpha Edition] Urza's Legacy When Dragonlord Atarka enters theSet: 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.