Stealth Beast, Siren Fox

Shadowstitch-:[ 1 & Put this unit into your soul] At the end of the battle that your unit with "Yasuie" in its card name attacked a vanguard, if that attack did not hit, if this unit boosted ([Boost]), you may pay the cost. If you do, choose one of your units, search your deck for up to two cards with the same card name as that unit, call them to separate , shuffle your deck, and at the end of that turn, return one of those called units to your hand, and put one card from among them on the bottom of your deck.