Elemental Hero Storm Neos (PTDN-EN043) - Phantom Darkness Unlimited

"""Elemental Hero Neos"" + ""Neo-Spacian Air Hummingbird"" + ""Neo-Spacian Aqua Dolphin"" This card can only be Special Summoned from your Fusion Deck by returning the above cards you control to the Deck. (You do not use ""Polymerization"".) Once per turn, you can destroy all Spell and Trap Cards on the field. This card returns to the Fusion Deck during the End Phase. When this card is returned to the Fusion Deck by this effect, return all cards on the field to the Deck."