「Self-Destruct Program」Iron Man

TRIG【BATTLE/ONCE PER TURN】: When this card is attached, if your opponent has characters with Lv5 or above in BATTLE, you may retreat all the cards attaching to this card. If you do, you prune 1 of your opponent's characters with LvX or below in the field. X is the total value of Lv of the cards you retreat by this effect.