One who Splits Darkness, Bledermaus (G-BT11/S07EN) [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](VC)[1/Turn] Generation Break 2 Darkness :[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 & Choose two cards from your hand, and put them into your soul] When this unit attacks, if the number of cards in your soul is ten or more, you may pay the cost. If you do, return all of the grade 0 cards from your soul and (RC) to your deck, shuffle your deck, choose two of your units, and they get [Power]+5000 until end of turn. At the end of that battle, [Stand] this unit, and it gets drive -2.