Nightmare [Unlimited Edition] Scars of Mirrodin Tokens look at the top three

look at the top three cards of your library

Set: Antiquities Type: Land — Urza's Tower Rarity: Uncommon {T}: Add {C}

(Each clashing player reveals the top card of their library

If that mana is spent on a creature spell

Set: Fourth Edition Type: Artifact Rarity: Rare Cost: {1} Mana Vault doesn't untap during your untap step

Nightmare [Unlimited Edition] Scars of Mirrodin Tokens look at the top threeSet: 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.