Ambush Demon Stealth Dragon, Shibarakku Buster

-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 & 2 & Choose a card from your hand, and discard it & Choose a card from your drop zone, and return it to your deck] Choose one of your units, search your deck for up to one unit with the same card name as that unit, call it to , and shuffle your deck. Until end of turn, the unit called with this effect gets ":This unit performs a drive check only for its first battle during this turn.", and at the end of that turn, put that unit on the bottom of your deck.