Nightmare [Alpha Edition] Scars of Mirrodin Promos then that player chooses a

then that player chooses a card name

Sacrifice Crystal Vein: Add {C}{C}

or enchanted by anything white

Suitable for ages 13+

you may put a Dragon creature card from your hand onto the battlefield tapped and attacking

Nightmare [Alpha Edition] Scars of Mirrodin Promos then that player chooses aSet: 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.