[AUTO]:Forerunner (When a unit of the same clan rides this unit, you may call this unit to (RC))
[ACT](RC):[Put this unit into your soul] Choose one of your vanguards, until end of turn, it gets "[AUTO](VC):[Counter-Blast 1]When this unit attacks a vanguard, if this unit is [Legion], and it is the fourth battle of that turn or more, you may pay the cost. If you do, draw a card, choose one of your opponent's rear-guards, and retire it.".