Sly Spy 
Creature — Human Spy
Whenever this creature deals combat damage to a player, you may destroy target creature facing left in its art. (Creatures without faces don't face anywhere.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL