Mutable Explorer 186 (Lorwyn Eclipsed)

Changeling (This card is every creature type.) When this creature enters, create a tapped Mutavault token. (It's a land with "{T}: Add {C}" and "{1}: This token becomes a 2/2 creature with all creature types until end of turn. It's still a land.")

NM - $1.99
LP - $1.59
MP - $1.09
HP - $1.00
DMG - $1.00