(VC/RC):When placed from hand, COST
, swap a unit card from your hand with a card from your damage zone. If you put a grade 0 into your damage zone, choose up to one of your opponent's rear-guards, put it into the damage zone, and if you put your opponent's rear-guard into the damage zone, your opponent chooses a card from his or her damage zone, and heals it. (Put the swapped card face up)