http://www.wizards.com/default.asp?x=dnd/4dnd/20081201a
In the editor calendar preview we have mercykillers.
Is it the faction or what else?
Planescape, Dungeons & Dragons, their logos, Wizards of the Coast, and the Wizards of the Coast logo are ©2008, Wizards of the Coast, a subsidiary of Hasbro Inc. and used with permission.
It's in Dragon Magazine, so I'm guessing it's the faction. They've said they're planning on including stuff from out-of-print campaigns there. Might be interesting to see how they interpret them.