[AUTO](VC):When your G unit with "Blue Wave" in its original card name [Stride] during your turn, choose up to one card from your hand with "Blue Wave" in its card name, call it to (RC), choose a rear-guard with "Blue Wave" in its card name, and until end of turn, it gets "[AUTO](RC):At the end of the battle that this unit attacked a vanguard, choose this unit and one of your other rear-guards in the same column as this unit and exchange their positions.".