Magnum Assault (G-TD04/007EN) [Blue Cavalry of the Divine Marine Spirits]

[AUTO](RC)[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) :[Counter Blast (1)] At the end of the battle that this unit attacked a vanguard, if this unit was boosted during that battle, you may pay the cost. If you do, [Stand] this unit, and this unit gets [Power]+2000 until end of turn. (Even if you do not pay the cost, this ability cannot be used for the rest of that turn)