Elemental HERO Aqua Neos

"Elemental HERO Neos" + "Neo-Spacian Aqua Dolphin" Must first be Special Summoned (from your Extra Deck) by shuffling the above cards you control into the Deck. Once per turn: You can discard 1 card; destroy 1 random card in your opponent's hand. Once per turn, during the End Phase: Return this card to the Extra Deck.