Elemental HERO Neos + Neo-Spacian Air Hummingbird + Neo-Spacian Aqua Dolphin
Must first be Special Summoned (from your Extra Deck) by shuffling the above cards you control into the Deck. (You do not use Polymerization .) Once per turn: You can destroy all Spell and Trap Cards on the field. During the End Phase: Shuffle this card into the Extra Deck. When this card is shuffled into the Extra Deck this way: Shuffle all cards on the field into the Deck.