Dimension Expulsion Colossus

[ACT](VC)[1/Turn] Generation Break 1 (This ability is active if you have one or more face up G units in total on your (VC) or G zone):[Choose one of your grade 0 rear-guards, and put on the bottom of your deck] Search your deck for up to one grade 3 card, call it to (RC), shuffle your deck, and that unit gets [Power]+5000 until end of turn.
[AUTO]:[Counter Blast (1) & Soul Blast (1)] When this unit is placed on (VC), you may pay the cost. If you do, choose one of your opponent's grade 1 or less rear-guards, and your opponent puts that unit on the bottom of his or her deck.