Stealth Dragon, Yashabayashi

: 1 When this unit is placed on , you may pay the cost. If you do, until end of turn, this unit gets +2000, and "Shadowstitch-:At the end of the battle that this unit attacked a vanguard, if that attack did not hit, 1, choose one of your units, and it gets +2000 until end of turn.". :If you have a grade 4 or greater vanguard with "Yasuie" in its card name, this unit can attack a vanguard from the back row.