Star-vader, Chaosbringer (R)

[AUTO](VC) Limit Break 4:[Counter Blast (1)] At the beginning of your opponent's main phase, if your opponent's has two or more locked cards, you may pay the cost. If you do, search your deck for up to one card named Star-vader, Chaos Breaker Dragon from your deck, ride it as [Stand], and shuffle your deck.
[AUTO]:[Counter Blast (1)-card with Star-vader in its card name] When this unit is placed on (VC), you may pay the cost. If you do, choose up to one of your opponent's rear-guards in the back row, and lock it.