Nightmare [Collectors' Edition] Ugin if you control three or

if you control three or more artifacts

cast it for its madness cost or put it into your graveyard

Set: Commander Anthology Volume II Type: Artifact Creature — Phyrexian Wurm Rarity: Mythic Cost: {6} Deathtouch

Sacrifice Windswept Heath: Search your library for a Forest or Plains card

Hero of Akros and at least two other creatures attacked this combat

Nightmare [Collectors' Edition] Ugin if you control three orSet: Collectors' 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.