[Special]Void Bringer (As this card appears from Life, if your Life is equal to or less than your opponent's Life, you may choose 1 Z/X on Square, and put it into Trash.) [Auto]<Valid> Square <Trigger> This card appears. <Effect> You may choose 2 of your Z/X on Normal Square that aren't currently in battle, and put each of those Z/X onto the other's Square.