Cunning Mutant, Paraponevil

(Hand):You may discard this card as a [Heal] for the cost of calling a G guardian. :When this unit is put on from hand, [remove a [Heal] from hand or drop], your opponent chooses any number of their rear-guards, and them. If the number of rear-guards by this effect is two or less, this unit gets +20000 until end of that battle, and if it is one or less, 1, choose one of your vanguards, and it gets +5000 until end of turn.