Black Market [Mercadian Masques] SPA Risa del Caminante de Planos Nightmare's power and toughness are

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

Set: Eighth Edition Type: Creature — Ape Rarity: Uncommon Cost: {3}{G}{G} It does not wear a crown or sit on a throne of gold

Set: Saviors of Kamigawa Type: Sorcery — Arcane Rarity: Rare Cost: {5}{B} Target opponent chooses a number

*Memoirs of a Soldier*

Set: Portal Type: Creature — Wurm Common Cost: {4}{G} It has more teeth than fit in its mouth

Black Market [Mercadian Masques] SPA Risa del Caminante de Planos Nightmare's power and toughness areSet: Mercadian Masques Type: Enchantment Rarity: Rare Cost: {3}{B}{B} Whenever a creature dies, put a charge counter on Black Market. At the beginning of your precombat main phase, add {B} for each charge counter on Black Market.