Soul Severing Demonic Spear Knight, Zagan

:When this unit is placed on during your main phase, you may 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 from your soul with a different card name from this unit and grade less than or equal to your vanguard, and call it to . At the end of that turn, put that called unit into soul. :If you have a vanguard with "Drajeweled" in its card name, this unit gets "Boost".