Izzet Polarizer 
Creature — Lizard Wizard
When Izzet Polarizer dies, conjure a card named Ionize or a card named Electrolyze into your hand. (Your choice is not revealed to other players.)
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL