Nightmare

Creature - Nightmare Horse X/X, 5B (6)
Flying
Nightmare's power and toughness are each equal to the number of Swamps you control.¹
The thunder of its hooves beats dreams into despair.
Illus. Carl Critchlow

Gatherer Card Rulings [Nov 2009]

• 4/1/2008: If you control 0 swamps, then the Nightmare has 0 toughness and will be put into its owner's graveyard as a state-based effect right before the next player gains priority.

Format Legality	Legal in Vintage, Legacy, Extended, Standard
Printings (12/69)	Magic 2010 (Rare) Tenth Edition (Rare) Core Set - Ninth Edition (Rare) Core Set - Eighth Edition (Rare) Seventh Edition (Rare) → View All