Grelded, Master Tuneller

+1: Create a 1/1 red Kobold creature token with "When this creature dies, it deals 1 damage to each creature and planeswalker you control."
0: You may tap an untapped Mountain you control. If you do, target creature with power 1 or less can't be blocked until end of turn.
-2: Target opponent gains control of each Kobold you control. Destroy them.