Cavalry
Cavalryman
3 star cost - Two independent sources
What it is
The middle step of the Scout Rider line and the required stop before Lancer. A stronger charge and more survivability, at the cost of going from two stars to three.
How to use it
Bring it when your star limit can absorb three stars, and stay on Scout Rider if all you want is a cheap flanker. It still cannot climb walls, so leave it out when defending a point.