Master Healer [Ninth Edition] Commander destroy Cosmic Horror unless you

destroy Cosmic Horror unless you pay {3}{B}{B}{B}

Set: Conspiracy Type: Instant Rarity: Rare Cost: {3}{U}{U} You may exile a blue card from your hand rather than pay this spell's mana cost

Set: Eternal Masters Type: Instant Rarity: Rare Cost: {4}{R}{R} You may exile a red card from your hand rather than pay this spell's mana cost

Set: Scars of Mirrodin Type: Artifact Rarity: Uncommon Cost: {2} When Contagion Clasp enters the battlefield

put it onto the battlefield face down as a 2/2 creature

Master Healer [Ninth Edition] Commander destroy Cosmic Horror unless youSet: Ninth Edition Type: Creature Human Cleric Rarity: Rare Cost: {4}{W} {T}: Prevent the next 4 damage that would be dealt to any target this turn. Behind his eyes is the pain of every soldier his hands have healed.