Sprout Deletor, Luchi (G-CMB01/025EN) [Vanguard & Deletor]

[AUTO]: Forerunner (When a unit of the same clan rides this unit, you may call this unit to (RC)) [AUTO]:When this unit is put into the drop zone from (RC) for the cost of your vanguard with "Deletor" in its card name's ability, choose up to one rear-guard in your opponent's back row, lock it, your opponent chooses a card from his or her drop zone, and banish deletes it. (The locked card is turned face down, and cannot do anything. It turns face up at the end of the owner's turn)