Dunamis Messiah (G-TD15/011EN) [Messiah Dragon of Rebirth]

[AUTO](RC) Generation Break 1 (Active if you have one or more face up G units in total on your (VC) or G zone) : [Soul Blast (1)] At the end of the battle that this unit boosted, you may pay the cost. If you do, choose up to one locked card, unlock it, and lock this unit. Choose one of your units, and it gets [Power]+4000 until end of turn. (The locked card is turned face down, and cannot do anything. It is unlocked and turns face up at end of the owner's turn.)