Dark Order: "Book of Moon"

You can use this Skill's first and second effects once per Duel (1 effect per turn) 1: Reveal 1 DARK monster in your hand, then shuffle 1 card from your hand into the Deck and add 1 "Book of Moon" from your Deck to your hand. 2: Reveal 1 "Book of Moon" from your hand on the bottom of the Deck, then draw 1 card.