Hello this is my 700pts list, I usually play against rohan army. So when ever my phalax wasnt split up I won but in any other case.... any suggestion?
thank u.

Warband 1
Saruman with Horse
3x Uruk-hai Warrior with Shield
4x Uruk-hai Berserker
3x Warg Rider with Shield
2x Orc Warrior with Spear
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Warband 2
Uruk-hai Captain with Shield Heavy armour
3x Uruk-hai Warrior with Shield
4x Uruk-hai Warrior with Pike
3x Uruk-hai Berserker
2x Orc Warrior with Spear
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Warband 3
Vraskû
12 Uruk-hai Warrior with Crossbow

700 points 39/20 , 8might.

looks like a pretty solid army, I can't think of anything to change.

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"make me lunch... worthy of Mordor"

Yeah seems solid, not sure of what the warg riders are there for though, i assume they keep Saruman company should he go off on a magical adventure? All i'd say is make sure everyone, including beserkers, are receiving a full two lines of spear/pike support.

warg are there to cut off the rohan charges and protect the rear side and flanks. i use the phalax like that :
B S B S C S B
O..O..O..O
P..P..P..P

and at the sides I put shields and berserkes. S are only for shield and the rest are killing grps
So is it better to swap 4 bereskers and one warg for 4 shields and a banner?
4 less attack an a warg for a banner, is it worth??

The way your using tha phalanx means that only 6the shield or the beserker gets full support as a spearmen can only support one model per fight phase. If you max out on beserkers and make your front line this:

B B B B
O O O O
P P P P

Then your front line (or the bits with the beserkers) will have 4 attacks, you won;t need a banner. The same applies to a shieled-bearing front line, 3 attacks should be enough and with Saruman about you will already be giving them constant support.

I just put a shield between the killing combos (B,O,P) in order to avoid traping if I loose a fight and in order to have more width.
I was thinging tha the banner would help me also at the shielding

what about sticking some X-bows in there too?
I reckon they'd totally demolish enemy charges

X = crossbow
something like:

BSBSB
PXPXP
ppppp

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'Though my memory's fading, I remember two things very clearly: I am a great sinner and Christ is a great Savior'
-John Newton

cause if you loose a fight then the front line is trapped , and also if u want to move you loose the shooting.

Good point.
that would be rather problematic
this is probaly why i loose almost all my battles
oh well if nobody tried anything 'new' then there wouldn't be any 'old'

_________________
'Though my memory's fading, I remember two things very clearly: I am a great sinner and Christ is a great Savior'
-John Newton