Gandalf, White Rider 
Legendary Creature — Avatar Wizard
Vigilance Whenever you cast a spell, creatures you control get +1/+0 until end of turn. Scry 1. When Gandalf dies, you may put it into its owner's library fifth from the top.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL