Jace's Mindseeker 
Creature — Fish Illusion
Flying When this creature enters, target opponent mills five cards. You may cast an instant or sorcery spell from among them without paying its mana cost.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL