Black Horn King, Bullpower Agrias (G-BT13/S11EN) [Ultimate Stride]

[ 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](VC):[Counter Blast (1) & Choose a face down card from your G zone with the same card name as this unit, and turn it face up] When this unit attacks, you may pay the cost. If you do, choose any number of your rear-guards, and bind them face up. If three or more cards were bound, draw a card, choose up to two cards from your bind zone for each face up card in your G zone, and call them to separate open (RC).