Mysterio's Phantasm 
Creature — Illusion Villain
Flying, vigilance Whenever this creature attacks, mill a card. (Put the top card of your library into your graveyard.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL