Contagion Engine [Scars of Mirrodin] Merfolk {T}: Prevent all combat damage

{T}: Prevent all combat damage that would be dealt by target creature this turn

Set: Legends Type: Legendary Creature — Elder Dragon Rarity: Rare Cost: {2}{G}{G}{W}{W}{U}{U} Flying

Set: The Dark Type: Artifact Rarity: Uncommon Cost: {0} {T}

Set: Exodus Type: Enchantment Rarity: Rare Cost: {2}{B} Sacrifice a creature

annihilating and consuming their foes in a frenzied holocaust

Contagion Engine [Scars of Mirrodin] Merfolk {T}: Prevent all combat damageSet: 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.)