That's against school regulations. Brace yourselves, Armored Horn!
[AUTO](VC)[Limit-Break 4](This ability is active if you have four or more damage):During your end phase, when one of your rear-guards is put into the drop zone, choose up to two cards from your damage zone, and turn them face up. [ACT](VC):[Counter-Blast 2] Choose one of your rear-guards, and that unit gets [Power] +4000 until end of turn, and at the beginning of the end phase of that turn, retire that unit.