Sacrifice Messiah

(Active if you have one or more face up G units in total on your or G zone):At the end of the battle this unit boosted, if you have a vanguard with "Messiah" in its card name, [lock this unit], choose one of your vanguards, and it gets +5000 until end of turn. Then, if you have no face up cards in your damage zone, 1. (Locked cards cannot do anything. They are unlocked and turned face up as at the end of their owner's turn)