Guardian Beast [Arabian Nights] Windgrace Nightmare's power and toughness are

Nightmare's power and toughness are each equal to the number of Swamps you control

Whenever Sapling of Colfenor attacks

the Coalition Type: Artifact Rarity: Rare Cost: {4} As Phyrexian Processor enters the battlefield

you may begin the game with Gemstone Caverns on the battlefield with a luck counter on it

Guardian Beast [Arabian Nights] Windgrace Nightmare's power and toughness areSet: Arabian Nights Type: Creature Beast Rarity: Rare Cost: {3}{B} As long as Guardian Beast is untapped, noncreature artifacts you control can't be enchanted, they have indestructible, and other players can't gain control of them. This effect doesn't remove Auras already attached to those artifacts.