Lake of the Dead [Alliances] Vintage {1}: Mutavault becomes a 2/2

{1}: Mutavault becomes a 2/2 creature with all creature types until end of turn

and affirm your military supremacy

As long as Siege Behemoth is attacking

Set: Shadowmoor Type: Legendary Creature — Merfolk Rogue Rarity: Rare Cost: {U/B}{U/B} At the beginning of each end step

Whenever the fourth spell of a turn is cast

Lake of the Dead [Alliances] Vintage {1}: Mutavault becomes a 2/2Set: Alliances Type: Land Rarity: Rare If Lake of the Dead would enter the battlefield, sacrifice a Swamp instead. If you do, put Lake of the Dead onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add {B}. {T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.