Even the legions of Chaos like others to know when they're their by using standard bearers. Malogurst the Twisted is one such bearer that you can order over in the Forge World webshop now. He's got his eye on you.
From the announcement:
Maloghurst the Twisted may not be the consummate warrior he once was, but as Horus’ most trusted confidant, he still wields considerable power over the XVI Legion. Now you can bring that power to your Horus Heresy games as the Warmaster’s chosen icon-bearer arrives for pre-order today.