Nightmare [Alpha Edition] Forest Plains If you don't

If you don't

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Set: Iconic Masters Type: Creature — Angel Rarity: Mythic Cost: {3}{W}{W} Flying

Its owner cracks it open to see what jewels it holds

Set: Invasion Type: Artifact Rarity: Rare Cost: {3} Sacrifice a creature: Add one mana of any color

Nightmare [Alpha Edition] Forest Plains If you don'tSet: Alpha 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.