Privateer Press releases an upgrade kit for the Iron Fang Pikeman.
From their website:
The Khador Black Dragon Iron Fang Pikemen Unit Upgrade is NOT a complete model. The upgrade contains:
-12 Black Dragon shields
-1 Black Dragon Banner
-1 Black Dragon UA stat card
Players will need a Khador Iron Fang Pikemen Unit (PIP 33018) and a Khador Iron Fang Pikemen Officer and Standard Bearer Unit Attachment (PIP 33027) in addition to this upgrade.