: Cardfight!! Vanguard
: Booster Set 9: Clash of the Knights & Dragons
Officer Cadet, Astrea:
[AUTO]: Pioneer (When another unit from the same clan rides this unit, you may call it to (RC)) [AUTO](RC):[Counter Blast (1) & Put this unit into your soul] When an attack hits a vanguard during the battle that this unit boosted a Â«Aqua ForceÂ», you may pay the cost. If you do, choose one of your Â«Aqua ForceÂ» rear-guards, and [Stand] it.