Inconspicuous Ambuscade, Museta

Powerful-[AUTO](RC):When this unit boosts a grade 3 or greater vanguard with "Herminia" in its card name, if your soul has no cards, all of your front row units get [Power] +2000 until end of turn. At the end of that battle, [COST][put this unit on the bottom of deck], and [Counter-Charge 1].