Rampaging Classmate 
Creature — Lizard Berserker
Whenever this creature attacks, it gets +1/+0 until end of turn for each other attacking creature.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyNOT LEGALvintageNOT LEGALcommanderNOT LEGAL