Demonic Lancer of Soul Extermination, Zagan D-BT13/022 RR

[AUTO]:When this unit is placed on (RC) during your main phase, you may Soul Charge (1). Choose up to one grade 4 card from your hand, and reveal it. If you revealed a card, or you have a grade 4 or greater vanguard with "Drajeweled" in its card name, choose up to one card with different card name from this unit and grade less than or equal to your vanguard from your soul, and call it to (RC). At the end of that turn, put that called unit into soul. [CONT](RC):If you have a vanguard with "Drajeweled" in its card name, this unit gets "Boost".