Rikudo Stealth Dragon, Tsukumorakan

-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] this card on your from face down. :[ 2 & Choose a face down card from your G zone, and turn it face up] When this unit is placed on , you may pay the cost. If you do, your opponent chooses four cards from his or her hand, binds the rest face down, and at the end of that turn, your opponent puts the cards bound with this effect into his or her hand.