Hey there! I think there should be a link on the front page to the wiki of the real life version of Card Wars.
Here's the link: http://www.adventuretimecardwars.com/
Rainbow Card Only Strategies Edit
I've recently found myself sitting pretty at the top of the black card tournament so have gone back to earn some gems from the 3 star quests but am having some difficulties coming up with a good deck to use for winning with rainbow cards only. Any suggestions?