Koth the Crusader

+2: Deal 2 damage to each creature, each creature that would be put into the graveyard this turn exile those cards instead.
-5: You get an emblem that says "If Koth the Crusader would enter the graveyard from activating planeswalker abilities, target player loses the game"
-X: X can't be more or equal to his loyality. Deal X damage to another Planeswalker not named Koth the Crusader.