[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) Darkness (This ability is active if cards have been put into your soul during this turn) :When this unit attacks, you may Soul Charge (2). If you do, choose one of your units for every four cards in your soul, and they get [Power]+5000 until end of turn. If the number of cards in your soul is 13 or more, choose up to four cards each with different grades from your soul, return them to your deck, shuffle your deck, and this unit gets [Power]+5000 until end of turn for each card returned.