Nightmare [Unlimited Edition] SM170 Set: Saviors of Kamigawa Type:

Set: Saviors of Kamigawa Type: Sorcery — Arcane Rarity: Rare Cost: {5}{B} Target opponent chooses a number

Set: Revised Edition Type: Artifact Rarity: Rare Cost: {2} Whenever a land enters the battlefield

If this card has "Number 104: Masquerade" as an Xyz Material

Set: Throne of Eldraine Prerelease Promos Type: Land Rarity: Rare Castle Locthwain enters the battlefield tapped unless you control a Swamp

Nightmare [Unlimited Edition] SM170 Set: Saviors of Kamigawa Type:Set: 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.