Gravity Bolt Dragon (PR/0106EN B) [Promo Cards]

[AUTO](VC) Limit Break 4 (This ability is active if you have four or more damage):[Counter Blast (1)] When this unit's drive check reveals a grade 3 «Narukami», you may pay the cost. If you do, choose one of your opponent's rear-guards in the front row, retire it, and this unit gets [Power]+5000 until end of that battle. [ACT](VC):[Counter Blast (1)] Choose one of your locked cards, and unlock it. [CONT](VC/RC): Lord (If you have a unit without a same clan as this unit, this unit cannot attack)