The three main rules are that each player must have a deck of at least 60 cards, each deck can contain only two Ink types (Amber, Amethyst, Emerald, Ruby, Sapphire, and Steel), and each deck can have no more than four copies of a card in it
It was a great deck when I didn't draw Mishra's Workshop, and it was nigh-unbeatable when I had it in my opening hand
Quantum Quandrix(Blue/Green): Quirky math magicians who study patterns and fractals to command and multiply the forces of nature
Mickey Mouse, Musketeer Captain is a Bodyguard that, upon shifting, lets you draw a card for every Bodyguard in play
Its far too soon to say which of these archetypes will continue to post numbers once this naturally experimental post-release period is over, but at the very least cards as powerful and flexible as the Virtues, Gruff Triplets and Lord Skitter are going to find a home in whatevers being played
Design: Many players prefer custom designs or artwork that reflect their personality or favorite themes