Lupine Prototype 
Artifact Creature — Wolf Construct
This creature can't attack or block unless a player has no cards in hand.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL
Artifact Creature — Wolf Construct
This creature can't attack or block unless a player has no cards in hand.