Mutavault [Magic 2014] Merfolk Set: Magic 2010 Type: Artifact

Set: Magic 2010 Type: Artifact Rarity: Rare Cost: {5} Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it

the Mutable becomes a Human with base power and toughness 1/1

Set: Eternal Masters Type: Sorcery Rarity: Rare Cost: {R} Search your library for a card

You start the bidding with a bid of any number

Mutavault [Magic 2014] Merfolk Set: Magic 2010 Type: ArtifactSet: Magic 2014 Type: Land Rarity: Rare {T}: Add {C}. {1}: Mutavault becomes a 2 2 creature with all creature types until end of turn. It's still a land. Some worlds possess a hidden core where life's essence constantly surges.