Contagion Engine [Scars of Mirrodin] RC15 pay life equal to its

pay life equal to its mana value rather than paying its mana cost

Set: Secret Lair Drop Series Type: Legendary Enchantment Creature — God Rarity: Mythic Cost: {3}{U} Indestructible

Each opponent sacrifices a creature

Set: Gym Heroes Unlimited Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Contagion Engine [Scars of Mirrodin] RC15 pay life equal to itsSet: Scars of Mirrodin Type: Artifact Rarity: Rare Cost: {6} When Contagion Engine enters the battlefield, put a 1 1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and or players, then give each another counter of each kind already there. Then do it again.)