Add a cooldown to mounting up and dismounting after combat. Time and time again I have died because a player has managed to keep me in combat while another is rushing behind on a mount to repeat the pattern. It adds nothing to aiding those in outbalanced fights as it is and adds more disadvantage. Not to mention its a free shield, attack that can nearly do a percentage of my already low hp (means I have to waste a dodge on it), and a finisher.
If you want to add in mounts, fine by me. But get rid of its combat enhancements.
1 Auto = Dismount. (Doesnt have to knock down if thats the case)
Get rid of Finisher, and Maul.
Add kill = cooldown reduction 100%.
20-30 seconds of out of combat for another mount up.
It should only be used as a speed boosting utility to get you from point A to B, nothing else.