Dimensional Robo, Daishoot

:Forerunner (When a unit of the same clan rides this unit, you may call this unit to ) (This ability is active if you have one or more face up G units in total on your or G zone):[Put this unit into your soul] Choose one of your vanguards with "Dimensional Robo" in its card name, until end of turn, it gets +4000, and ":When this unit's attack hits a vanguard, choose one of your opponent's rear-guards, and retire it.".