Yet another message board. This one uses Simple Machines Forum (SMF). It came with the web host, so I'm just trying it out, but it is very extensible. Already, I have added BBC tags to allow autocarding (see below) and eventually more tags to come.
Autocard script that lets you lets you view a card's image when you mouseover a link in Magic-related forums and websites. Works in Opera as userscript and with Greasemonkey.
What (Magic) color are you? White, Blue, Black, Red, or Green. (Featuring illustrations by Terese Nielsen and Melissa Benson.)