Diabolist of Corpse, Negrosonger

-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] this card on your from face down. :[ 1 & Choose a face down card from your G zone with the same card name as this unit, turn it face up, choose a card from your hand, and discard it] At the end of the battle that this unit attacked, you may pay the cost. If you do, look at four cards from the top of your deck, put up to one card from among them into your drop zone, shuffle your deck, choose a card from your drop zone, call it to , and it gets +5000 for each face up card in your G zone until end of turn.