Have any of you had success with mordor uruks? Why or why not?
I wish they could carry spears but I may have to back them up with spear wielding orcs.

Well they do have a nice combination of fight and strength value. But it is of course the defense that is lacking. For me they do well, although my experience is limited. The main reason for me, is theme and their look.
The black guard of barad-dur gives them the needed defense, but is very a bit to 'elite' for me, while the mordor uruks combine very well with mordor orks estheaticly..

(my english is somewhat 'extra' limited with few hours sleep )

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Iron sharpens iron
So a friend sharpens his friend.
prov. 27:17

Theyre good. Just basically high offense troop type. Just charge the enemy lines with them, and orc spear support.

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BLACKHAWK 2010 2013 2015 DYNASTY

is there with the new rules some interesting special strike for them, because some of the are carrying two handed clubs/maces etc.

_________________
Iron sharpens iron
So a friend sharpens his friend.
prov. 27:17