Horse Master

Combat

You blend horsemanship skills from disparate traditions into a seamless mounted combat technique.

Prerequisite: Expert trainer class feature (Advanced Player’s Guide 33), Ride 6 ranks.

Benefit: Use your character level to determine your effective druid level for determining the powers and abilities of your mount.

Normal: You use your cavalier level to determine your effective druid level for determining the powers and abilities of your mount.

Source: Ultimate Combat