"Elemental HERO Neos" + "Rainbow Dragon" or "Dark Rainbow Dragon"
Must be Fusion Summoned with the above Fusion Material Monsters and cannot be special summoned by other ways. Once per turn: You can activate 1 of these effects. • Send 1 monster you control to the Graveyard; shuffle all monsters your opponent controls into the Deck. • Send 1 Spell/Trap Card you control to the Graveyard; shuffle all Spell and Trap Cards your opponent controls into the deck. • Send 1 card from the top of your Deck to the Graveyard; shuffle all cards in your opponent's Graveyard into the deck.