Also, FWIW the web code cards are just slipped into
YUGIOH sized Card Sleeves and sticky-tacked to the wall.
For those that didn't have their own character card (because they came in a starter kit or playset) , I just used a cropped screen cap off the infinity.disney.com character site, or for a few early ones there was a thread on this forum with custom ones made up. Having blank spots drove the obsessive-compulsive in me a little batty