Alloy Golem 
Artifact Creature — Golem
As this creature enters, choose a color. This creature is the chosen color. (It's still an artifact.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact Creature — Golem
As this creature enters, choose a color. This creature is the chosen color. (It's still an artifact.)