Nightmare [Unlimited Edition] Legendary Artifact Whenever you cast an enchantment

Whenever you cast an enchantment spell

if we but seek it

Set: Mirrodin Besieged Type: Creature — Phyrexian Zombie Knight Rarity: Rare Cost: {1}{B}{B} First strike

{T}: For each planeswalker you control

Set: Friday Night Magic 2005 Type: Artifact Rarity: Rare Cost: {4} {1}

Nightmare [Unlimited Edition] Legendary Artifact Whenever you cast an enchantmentSet: 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.