[REQUIREMENT] Shuffle up to 3 monsters from your GY into your Deck, including a Sea Serpent Maximum Monster(s).
[EFFECT] Draw 1 card, then, you can excavate the top 5 cards of your Deck and reveal them. You can choose up to 3 Level 7 or higher Sea Serpent monsters among them and add them to the hand. Place the remainder on the bottom of the Deck in any order.