UA - Strip Mining - All resources that require Mines give double resources and +1 Production and Gold. Start with the ability to build Mines
UU - Diamond Swordsman - Replaces Longswordsman, gains a 10% damage bonus for every Gems connected to the trade network (maximum of 50%), and doesn't need Iron. Obsoletes at Rifling instead of Gunpowder.
UI - Village - Unlocks at Construction, Grants +2 gold and +10% defense to any unit fortified on it.