Elemental Hero Aqua Neos (DP03-EN012) - Duelist Pack 3: Jaden Yuki 2 Unlimited

Elemental Hero Neos + Neo-Spacian Aqua Dolphin
This card can only be Special Summoned from your Fusion Deck by returning the above cards from your side of the field to the Deck. (You do not use Polymerization.) Once per turn, by discarding 1 card, select 1 random card from your opponent''s hand and destroy it. This card returns to the Fusion Deck during the End Phase.