Artifact Creature — Shapeshifter 2/2, 3 (3)
Uncommon
Morph {0} (You may cast this face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
When Proteus Machine is turned face up, it becomes the creature type of your choice. (This effect lasts indefinitely.)
Illus. Greg Staples
Legal in Vintage (Type 1)
Legal in Legacy (Type 1.5)
Legal in Classic (MTGO)
Legal in Commander