Regrain Creature, Black Tears Husk Dragon

[AUTO]:When this unit is rode upon by a grade 3 unit with "Zorga" in its card name, [COST][Energy-Blast 3], look at the top seven cards of your deck, choose up to two non-sentinel cards from among them, reveal them, choose a card from among the revealed cards, put it into hand, discard the rest of the revealed cards, if you did not discard a card, search your deck for up to one Crimson Moon card, and discard it. Shuffle the deck.