Hound Raiser, Hakuren

[AUTO]:When this unit is rode upon by "Hound Raiser, Aoi", look at the top seven cards of your deck, choose up to one unit card with "Hound Raiser" in its card name from among them, reveal it and put it into hand, and shuffle the deck. If you did not reveal a card, call this card to (RC), and [Soul-Charge 1]. [AUTO](RC):When this unit is boosted by a <High Beast> , choose a <High Beast> normal unit from your drop, and you may put it on the bottom of the deck.