Nightmare [Unlimited Edition] Plains target non-Wall creature an opponent

target non-Wall creature an opponent controls gains forestwalk until your next upkeep

If the creature that spell becomes as it resolves has not been turned face up and would assign or deal damage

When Shape of the Wiitigo enters the battlefield

then add one mana of any color

Other red creatures you control get +1/+1

Nightmare [Unlimited Edition] Plains target non-Wall creature an opponentSet: Unlimited 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.