External Sources
Only races found in this the Fehr'gia players handbook are legal for play. Found Here. Classes, subclasses, and spells found in this players handbook and from the following sourcebooks are legal for play: PHB, XGE, TCE, DMG, EGW, FTD.
Additionally, you may use Matthew Colville's Illrigger as listed on this website, and Michael Wolf's Shaman.