Border Horse M2TW
From Totalwar.org
Unit Description
Border Horse is a light cavalry unit that can be found in the Scottish faction. They are well suited for raiding and skirmishing. In prolonged melee with heavier cavalry or spear units, they will break and run. Armed with a spear and wearing light armor the Border Horse is best suited for hitting the flanks and chasing down archers. Border Horse is a fast cavalry unit able to outrun most other cavalries and therefore would be good to chase down those pesky horse archers. In prolonged melee however, it might be good to support them with a heavier cavalry.