Nightmare [Limited Edition Beta] Betrayers of Kamigawa Promos Activated abilities of sources with

Activated abilities of sources with the chosen name can't be activated unless they're mana abilities

If damage is prevented this way

that player loses 2 life and you gain 2 life

(A creature with islandwalk can't be blocked as long as defending player controls an Island

Set: Limited Edition Alpha Type: Enchantment Rarity: Common Cost: {2}{B}{B} At the beginning of the end step

Nightmare [Limited Edition Beta] Betrayers of Kamigawa Promos Activated abilities of sources withSet: Limited Edition Beta 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.