Gisa and Geralf 
Legendary Creature — Human Wizard
When Gisa and Geralf enters, mill four cards. Once during each of your turns, you may cast a Zombie creature spell from your graveyard.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL