You fellas like odd vehicles and skulls, well, you've got it.
From the website:
The latest in our Horus Heresy Character Series, this model also comes with an alternate head that can be used to represent a Magos Prime and an Abeyant to lead any Mechanicum force. The model includes weapon options for the Abeyant: graviton gun, conversion beamer, rotor cannon and meltagun.
Designed by Mark Bedford and Rob Macfarlane, Archmagos Draykavac / Magos Prime is available to pre-order now and will be despatched from Friday 26th September.