Gerwald, Winter Wolf

+2: Target a card equipped with a Tech card or Droid Card on the opponent's field and send that Tech card or Droid card to the Netherworld.
-1: The controlling player can target one Creature card on the opponent's field and take control of it.
-4: Target one non-Vehicle card on the opponent's field and destroy it, then deal damage equal to its defense value to their Vitality.