Jace, Telepath Unbound Emblem
Emblem — Jace
Whenever you cast a spell, target opponent puts the top five cards of their library into their graveyard.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL