This four-paneled DM screen is designed especially for planar campaigns.

Until now, only the most powerful wizards could peek into the magnificent multiverse, but no longer! Gone are the unimaginable distances and the insurmountable obstacles that only the ultrapowerful could hope to overcome. Now even the greenest adventurer can enter the planes, though surviving long is another matter....
Have at it, berk! Powers, proxies, planars, petitioners, and wondrous monsters await just beyond the portal. Step through and partake of the infinite excitement of PLANESCAPE adventures!