Penny Arcade just put up the Pax East pins and the WotC one is of Sarkhan and listed as -
Sarkhan, Unbroken Pin [Wizards of the Coast]
Available as a prize on the Prize Wall in the Magic tournament space in the Tabletop Area.
Which makes me think A new Sarkhan will be appering in DTK.
Link to the Penny Arcade post.
3
Thanks @Feyd for restoring it.