Rikudo Stealth Dragon, Tsukumorakan (G-BT11/S23EN) [Demonic Advent]

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