Nightmare [Unlimited Edition] Legions if it isn't a mana

if it isn't a mana ability

Set: Limited Edition Alpha Type: Sorcery Rarity: Common Cost: {B}{B} Destroy target land

It is treated as an Efect Monster Card (Aqua-Type/WATER/Level10/ATK 0/DEF 3000)

Must be Special Summoned with "Transcendent Wings"

Nightmare [Unlimited Edition] Legions if it isn't a manaSet: 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.