Murasa Pyromancer 
Creature — Human Shaman Ally
Whenever this creature or another Ally you control enters, you may have this creature deal damage to target creature equal to the number of Allies you control.
Legality
standardNOT LEGALpioneerNOT LEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL