Blaster Blade Seeker (D-VS01/VSR02EN) [V Clan Collection Vol.1]

[AUTO]:When this unit is placed on (VC) or (RC), [COST][discard a card from your hand], choose one of your opponent's front row rear-guards, and retire it. Choose one of your vanguards with "Seeker" in its card name and grade less than or equal to your opponent's vanguard, and that unit's original [Critical] becomes 2 until end of turn. [AUTO](RC):At the end of the battle this unit attacked, if you did not ride this turn, [COST][put this unit on the bottom of your deck], and draw a card.