Nightmare [Unlimited Edition] Modern Masters 2017 Set: Pro Tour Promos Type:

Set: Pro Tour Promos Type: Creature — Avatar Rarity: Rare Cost: {6}{B}{B} If there are ten or more creature cards total in all graveyards

tap enchanted creature

The sea gives

Sacrifice Crystal Vein: Add {C}{C}

Set: Arabian Nights Type: Creature — Fish Common Cost: {U}{U} Dandân can't attack unless defending player controls an Island

Nightmare [Unlimited Edition] Modern Masters 2017 Set: Pro Tour Promos Type:Set: Unlimited Edition Type: Creature Nightmare Horse 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.