I feel that combined arms lists work very well.
I ran this list in Oslo GT Conquest, 4/5 wins
2 x IG reg w mastiffs
SB horde w mastiffs dragon shard shield
SB reg w mastiffs
EE reg
EE horde
2x sharpshooters
Brocks reg brew str
Organ gun
Brock lord beastslayer
2 x ASB lute and zephyr crown
Stone priest BC