Rainbow Neos is a fusion card which you need the Elemental Hero Neos and Rainbow Dragon on the field or hand and use Polymerisation .
yes there is a rainbow neos card in japan
Yes, "Future Fusion" can be used for "Rainbow Neos" by sending an "Elemental Hero Neos" and a "Rainbow Dragon" or "Dark Rainbow Dragon" from your deck to the Graveyard.
Rainbow Neos is a fusion of Elemental Hero Neos, and either Rainbow Dragon, or Rainbow Dark Dragon.
Yes, Rainbow Neos is the fusion
Well, the episode of Rainbow Neos has already been released and there are a lot of pictures of how Rainbow Neos looks like, he has a huge ressemblamce to Rainbow Dragon with the whats on it like the wings, hands, jewels, body, etc. While it's still got the basic shape of neos like all the Elemental Hero Neos Fusions look like.
nope
Yes Rainbow Neos is legal. A player can have 3 copies of this card in the fusion deck in both advanced and traditional formatted tournaments.
Rainbow Neos 'cannot' be special summoned except by Fusion Summon of the listed components. There is no way around this, not even cards like Metamorphosis or Cyber Stein.
You use any appropriate Fusion Summon card (ie Polymerization) while you have Elemental HERO Neos and any 'Ultimate Crystal' monster such as Rainbow Dragon, either in hand or on the field.
Elemental Hero Neos, Elemental Hero Neos Alius, Neo Space, Elemental Hero Dark Neos, Elemental Hero Divine Neos, Elemental Hero Flare Neos, Elemental Hero Glow Neos, Elemental Hero Grand Neos, Elemental Hero Storm Neos, Elemental Hero Air Neos, Elemental Hero Aqua Neos, Elemental Hero Chaos Neos, Rainbow Neos, Neo Space Pathfinder, and Instant Neo Space.
Technically,in the traditional sense, it is classified as an Elemental Hero as it is an Elemental Hero Neos fusion, but as the card does not include the term 'Elemental Hero' it may not be classified as one in games, both virtual and real. Hence effects that affect E-Heros do not apply to Rainbow Neos.
Yes there is, its coming out in the next pack: Phantom Darkness as a ghost rare