First, I must be honest and say that I was born with what the instructor called a very severe case of rainbow-itis, so I already have the full set of Copic Sketch markers, but wanted to learn how to get more out of them.  For the first card (the one on the black), I used Copic marker paper, which turned out to be much more absorbent than I wanted.  I also had some trouble with ink dripping from one pen and apparently the blade on my paper cutter was wearing out, so I decided to do a second card.  My gray pen was all dried up, so I experimented with a couple of other grays and changed some of the other colors for each card.