Don't make a wrong move. It will only give you unnecessary suffering.
[AUTO]:[Choose one of your other rear-guards, and lock it] When this unit is placed on (VC) or (RC), you may pay the cost. if you do, your opponent chooses one of his or her rear-guards, locks it, you choose one of your rear-guards in the same column as that unit, and lock it. [AUTO](RC) Generation Break 1:When this unit attacks a vanguard, you may choose one of your locked cards. If you do, this unit gets [Power]+2000 until end of turn, and that locked card cannot be unlocked during your next end phase.