Nightmare [Revised Edition] Atog Y is equal to X

Y is equal to X or to enchanted creature's toughness minus 1

Set: Limited Edition Alpha Type: Enchantment — Aura Rarity: Common Cost: {B} Enchant creature

Time Vault doesn't untap during your untap step

Set: Friday Night Magic 2003 Type: Creature — Human Soldier Rebel Rarity: Rare Cost: {W}{W} {W}

Nightmare [Revised Edition] Atog Y is equal to XSet: Revised 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.