Circle of Despair [Mirage]Set: Mirage Type: Enchantment Rarity: Rare Cost: {1}{W}{B} {1}, Sacrifice a creature: The next time a source of your choice would deal damage to any target this turn, prevent that damage. "Life is a resource that should belong only to the strong." Shauku, Endbringer

"I've heard it said that a Planeswalker is someone who can always run from danger

You may cast creature spells as though they had flash

Set: Commander Anthology Volume II Type: Artifact — Equipment Rarity: Uncommon Cost: {2} Equipped creature has hexproof and haste

Set: EX: Team Magma vs Team Aqua Type: Lightning Rarity: Uncommon Retreat cost: Colorless

Set: Shadows over Innistrad Prerelease Promos Type: Creature — Ooze Rarity: Rare Cost: {2}{G} Delirium — Whenever Inexorable Blob attacks

Each copy targets a different one of them

Set: EX: Sandstorm Type: Psychic Rarity: Uncommon Retreat cost: Colorless

Set: Skyridge Type: Darkness Rarity: Common Retreat cost: Colorless

Set: Magic 2011 Type: Sorcery Rarity: Rare Cost: {3}{U}{U} Target player mills half their library

Set: Commander Anthology Volume II Type: Enchantment Rarity: Uncommon Cost: {1}{W} Creatures you control have vigilance

Undying (When this creature dies

Set: Onslaught Type: Sorcery Rarity: Rare Cost: {4}{U}{U}{U} For each opponent