Nightmare [Alpha Edition] Plant Wall searches their library for a

searches their library for a card

For each permanent destroyed this way

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

to have but one anchor

Nightmare [Alpha Edition] Plant Wall searches their library for aSet: 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.