Carnifex, Butcher King

+1: Deal 4 damage to an opponent's Vitality or targeted non-Vehicle card or Planeswalker.
-3: Target one non-Vehicle card on the field and either tap it for three turns or deal 3 damage to it and reduce its attack/defense values by 3.
-X: Destroy cards on the opponent's field with lower defense values than the amount of Loyalty paid. Loyalty must be 8 or greater to use this ability