THIS SUGGESTED CHANGE COMES FULLY FROM CORE EBERRON LORE
http://en.wikipedia.org/wiki/Religions_of_Eberron


Worshipers of the Sovereign Host are called Vassals. (from http://eberron.wikia.com/wiki/The_Sovereign_Host)

Vassal of the Sovereign Host: (AP COST = 1) You became a follower of Sovereign Host, you may now choose Your patron God out of the Host, and gain associated weapon proficency, both with +1 to-hit with it.

(all of these are unlocked after choosing Vassal of Sovereign Host, and cost 1 AP, cannot have more than one at time)
Arawai Champion: +1 to-hit with Morningstar. Consumes one use of Turn Undead and lasts until rest. Not self only.
Aureon Champion: +1 to-hit with Quarterstaff. Consumes one use of Turn Undead and lasts until rest. Not self only.
Balinor Champion: proficency with Battleaxe, and +1 to-hit with Battleaxe. Consumes one use of Turn Undead and lasts until rest. Self only.
Boldrei Champion: proficency with Spear (no such weapon in ddo), and +1 to-hit with Spear. Consumes one use of Turn Undead and lasts until rest. Self only.
Dol Arrah Champion: proficency with Halberd (no such weapon in ddo), and +1 to-hit with Halberd. Consumes one use of Turn Undead and lasts until rest. Self only.
Dol Dorn Champion: proficency with Longsword, and +1 to-hit with Longsword. Consumes one use of Turn Undead and lasts until rest. Self only.
Kol Korran Champion: +1 to-hit with Mace. Consumes one use of Turn Undead and lasts until rest. Not self only.
Olladra Champion: +1 to-hit with Sickle. Consumes one use of Turn Undead and lasts until rest. Not self only.
Onatar Champion: proficency with Warhammer, and +1 to-hit with Warhammer. Consumes one use of Turn Undead and lasts until rest. Self only.