Mordor Army - Orc Warband

This will be the basis for my 1000 pts Mordor Army:

Morannon Orc Captain - 50 pts
Morannon Banner Bearer - 35 pts
*Modor Orc Drummer - 15 pts
Morannon Shaman - 100 pts
*Mordor Orc Task Master - 25pts
War Riders - 20 points per company - x3 (60pts)
Morannon Orcs - 20pts per company x3 (60pts)
Mordor Ocs - 15 pts x3 (60pts)
Troll drummer - 150 pts
*Troll - 100 pts

Total pts so far = 655 pts

Still decisions on what else I need to be made - I will update this asap.