i played a 1000 pts battle vs necrons (2annihilation barges, 2 arks of doom, 2 troops of five warriors)
my list was : 8 warriors + 8 warriors(both with balsters) + 8 wyches + 8 whyches(both with hekatrix and agonizer)
all 4 in raiders
1 archon (agonizer)
2 ravagers
2-0 final result conquering his territory
maybe 'll write it in a more detailed way but that's just to share the glory