Thracian

The Thracians are a tribe of.

History
According to tribe descendant Swift Foot, the Thracians inhabit the island of Thrace, which was discovered by its namesake and their tribe founder King Thrace. As a result of Thrace's supposed rejection by the Founders of Equestria, the Thracians disdain friendship and eventually came to seek to destroy that among the other pony tribes.

Characteristics
Thracians appear physically identical in appearance to, and may indeed be a break off from that tribe. They thus lack wings or horns, but appear to have similar physical capabilities to Earth Ponies.

At least one Thracian, Swift Foot, has demonstrated some magical ability, which may be common among her tribe. Unlike most ponies, she has been seen-at least while her magic is active-to possess sharp fangs, not unlike those of King Sombra.

Etymology
"Thracian" refers to anything from the, a region that makes up the modern day of. Interesting, the Arimaspi comes from Scythian folklore, a people group from Thrace.