New UA: Featureless plains provide +1 Culture. For every 4th featureless plain worked, the Culture cost of obtaining new tiles in said city is reduced by 10%. All units fight 15% stronger in plains.
Myrmidon is now produceable at Horseback Riding rather than Iron Working.
Mymidon Combat Strength: 13 -> 14

Reworked the UA, more info in screenshots/mod desc

Will now properly Download

Nomadic Troopers require horses to build, as intended.