One who Proceeds Towards Daybreak, Scharhrot

:When your G unit , you may 2. If you do, choose a card with the darkness ability from your soul, put it into your hand, choose up to one card from your hand, and put it into your soul. Darkness (Active if cards have been put into your soul during this turn):[Choose one of your grade 1 or greater rear-guards, and put it into your soul] At the end of your turn, you may pay the cost. If you do, your opponent chooses one of his or her rear-guards, retires it, and if the number of cards in your soul is eight or more, you 1.