[AUTO]:Forerunner
[AUTO](RC):［[Counter-Blast 1]‐card with "Maiden of" in its card name & Choose a card from your hand, and discard it］ At the end of the battle that this unit boosted ([Boost]) a rear-guard with "Maiden of" in its card name, if you have a face up card in your G zone or your vanguard is [Legion], you may pay the cost. If you do, choose one of your other rear-guards in the same column as this unit, [Stand] it, and retire this unit.