Unchained Berserker 
Creature — Human Berserker
Protection from white (This creature can't be blocked, targeted, dealt damage, enchanted, or equipped by anything white.) This creature gets +2/+0 as long as it's attacking.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL