Sleight of Mind [Alpha Edition] Human Barbarian Nightmare's power and toughness are

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

Set: Unlimited Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant creature

or Forest card and put that card onto the battlefield

each player chooses a creature type and returns any number of cards of that type from their graveyard to their hand

Set: Time Spiral Type: Artifact Creature — Construct Rarity: Rare Cost: {5} Indestructible

Sleight of Mind [Alpha Edition] Human Barbarian Nightmare's power and toughness areSet: Alpha Edition Type: Instant Rarity: Rare Cost: {U} Change the text of target spell or permanent by replacing all instances of one color word with another. (For example, you may change "target black spell" to "target blue spell." This effect lasts indefinitely.)