One Steeped in Sin, Scharhrot (G-BT11/S27EN)

[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) Generation Break 2 Darkness (This ability is active if cards have been put into your soul during this turn) :[Counter Blast (1)] When this unit attacks, you may pay the cost. If you do, put all of your rear-guards into your soul, and this unit gets [Power]+10000 until end of that battle. If the number of cards in your soul is ten or more, retire all of your opponent's rear-guards, and if the number of cards in your soul is fifteen or more, until end of that battle, your opponent cannot call cards with the sentinel ability from hand to (GC).