My personal take on a deck box for KeyForge. I wasn't in love with any of the other options available so I made my own. It provides a wide open view of the Archon card while still having a bit of style. I simplified my original design to remove any need for supports.

It uses 4 1/2" diameter x 1/32" thick neodymium disc magnets to secure the lid. They don't provide a very strong hold, but it's enough for normal use.