Star-vader, Nebula Lord Dragon (BT12/S05EN) [Binding Force of the Black Rings]

[CONT](VC) Limit Break 4 (This ability is active if you have four or more damage):During your turn, all of your front row «Link Joker» get [Power]+3000 for each of your opponent's locked cards. [ACT](VC):[Counter Blast (2)] Choose one of your opponent's rear-guards in the back row, and lock it.(The locked card is turned face down, and cannot do anything. It turns face up at the end of the owner's turn.) [CONT](VC/RC): Lord (If you have a unit without a same clan as this unit, this unit cannot attack)