Absolute Ruler of Time

Can be used when you have a "Number" monster on your field with "107" in its name with Xyz Materials, and there are 4 or more cards in your hand. Send all Xyz Materials on your field to the Graveyard, and return all cards in your hand and Graveyard to your Deck, except for "Number" monsters on your field with "107" in their name. Afterward, add 4 cards to your hand from the top of your Deck. This Skill can only be used once per Duel.