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. :At the end of the battle that it attacked, [ 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], 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.