My Rainbow Dragon Deck

Centrik wrote:

Since you go to the Rainbow build, don't run any Hamon.

Monsters (13)

Crystal Beast Ruby Carbuncle x2
Crystal Beast Amber Mammoth x2
Crystal Beast Topaz Tiger x2
Crystal Beast Emerald Tortoise x1
Crystal Beast Sapphire Pegasus x3
Crystal Beast Cobalt Eagle x1
Crystal Beast Amethyst Cat x1
Rainbow Dragon x1
Hamon, Lord of Striking Thunder x0

Spells (18)

Ancient City - Rainbow Ruins x3
Advanced Dark x 0
Crystal Blessing x2
Crystal Beacon x3
Crystal Promise x1 I just don't seem to find this card too useful... Dunno why.
Crystal Release x2
Crystal Abundance x2
Crystal Tree x1 This is a dead draw late game unless you plan to run Dragon Queen
Rare Value x2 Run two. It's the draw power so unless you find another form, don't take it out
Monster Reborn x1
Dark Hole x1

Traps (3)

Torrential Tribute x1
Rainbow Path x1
Rainbow Gravity x1

Just some idea of mine. Edit a little bit for 40.

Find space for MSTs. You need the MSTs.