Nightmare [Alpha Edition] Plant Wall put a +1/+1 counter on

put a +1/+1 counter on Managorger Hydra

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

For each permanent destroyed this way

"It has latched onto this place like an infestation

Nightmare [Alpha Edition] Plant Wall put a +1/+1 counter onSet: 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.