Card Text:
[AUTO]:Forerunner (When a unit of the same clan rides this unit, you may call this unit to (RC))
[AUTO](RC):[Put this unit into your soul]When your opponent's rear-guard is put into the drop zone due to an effect from one of your cards with "Eradicator" in its card name, choose your vanguard with "Vowing" in its card name, and that unit gets [Power] +3000/[Critical] +1 until end of turn.