Neurok Transmuter 
Creature — Human Wizard
: Target creature becomes an artifact in addition to its other types until end of turn.
: Until end of turn, target artifact creature becomes blue and isn't an artifact.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL