Flame Berserker

Level Up 1/1 (Whenever this creature attacks
or blocks, it randomly gains +1/+0 or +0 /+1
after the combat if it is still in play. The
maximum power and toughness it can gain through this method is +1/+1)
Worshippers of Fire tend to be strong, and attack with startling vehemence. - Balathustrius