Koth of the Hammer
{2}{R}{R}
Legendary Planeswalker -- Koth
3
[+1]: Untap target Mountain. It becomes a 4/4 red Elemental creature until end of turn. It's still a land.
[-2]: Add {R} for each Mountain you control.
[-5]: You get an emblem with "Mountains you control have '{T}: ~this~ deals 1 damage to any target.'"