Hangarback Walker [Kaladesh Inventions] Island {1}: Mutavault becomes a 2/2

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

{1}{B}: Regenerate Korlash

Set: Legends Type: World Enchantment Rarity: Rare Cost: {3}{B} At the beginning of each player's upkeep

Whenever Exalted Angel deals damage

Set: Alpha Edition Type: Creature — Shapeshifter Rarity: Rare Cost: {3}{U}{U} You may have Vesuvan Doppelganger enter the battlefield as a copy of any creature on the battlefield

Hangarback Walker [Kaladesh Inventions] Island {1}: Mutavault becomes a 2/2Set: Kaladesh Inventions Type: Artifact Creature Construct Rarity: Mythic Cost: {X}{X} Hangarback Walker enters the battlefield with X +1 +1 counters on it. When Hangarback Walker dies, create a 1 1 colorless Thopter artifact creature token with flying for each +1 +1 counter on Hangarback Walker. {1}, {T}: Put a +1 +1 counter on Hangarback Walker.