Ambush Demon Stealth Rogue, Yasuie Tenma

-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. :[Choose a face down "Ambush Demon Stealth Rogue, Yasuie Tenma" from your G zone, and turn it face up] Until end of turn, this unit gets "Shadowstitch-: 1 At the end of the battle that your unit attacked a vanguard, if that attack did not hit, you may pay the cost. If you do, search your deck for up to one card with the same card name as the unit that attacked, call it to , and shuffle your deck.".