Painiac 
Creature — Brainiac
At the beginning of your upkeep, roll a six-sided die. This creature gets +X/+0 until end of turn, where X is the result.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL