Nightmare [Collectors' Edition]Set: Collectors' Edition 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.

Set: From the Vault: Realms Type: Land Creature — Forest Dryad Rarity: Mythic (Dryad Arbor isn't a spell

Set: World Championships 2010 Type: Water Rarity: Common Retreat cost: Colorless

One razorclaw is three bears too many

Set: Neo Destiny 1st Edition Type: Fire Rarity: Secret Rare Retreat cost: Colorless

Set: Onslaught Type: Enchantment Rarity: Rare Cost: {1}{G} As Steely Resolve enters the battlefield

Set: International Collectors' Edition Type: Creature — Giant Rarity: Rare Cost: {4}{R} Trample

an enemy's attack may be your most convenient weapon

Then if your library has no cards in it

Set: Beta Edition Type: Enchantment — Aura Rarity: Uncommon Cost: {2}{U}{U} Enchant artifact

Set: Conspiracy: Take the Crown Type: Enchantment Rarity: Rare Cost: {G} Whenever an opponent plays a land

join in brotherhood

if that spell's mana cost or that ability's activation cost contains {X}