Stealth Dragon, Onibayashi

Shadowstitch-:At the end of the battle that your unit attacked a vanguard, if that attack did not hit, until end of turn, this unit gets ":[Put this unit into your soul] When your unit's attack hits a vanguard, if you have a vanguard with the shadowstitch ability or a vanguard with "Yasuie" in its card name, you may pay the cost. If you do, draw a card, and 1.".