A studious boardgamegeeker posted this:
https://www.boardgamegeek.com/article/18697011#18697011
Here's what you get, with more details via the link above:
Ultramarines:
Scouts - Cost 2 (1/2/2)
Strike Cruisers - Cost 2 (2/2/2)
Space Marines - Cost 3 (2/3/3)
Land Raiders - Cost 4 (3/4/3)
Battle Barges - Cost 5 (4/5/4)
Warlord Titans - Cost 5 (3/5/4)
World Eaters (Chaos):
Cultists - Cost 2 (1/2/2)
Iconoclast Destroyers - Cost 2 (2/2/2)
Chaos Space Marines - Cost 3 (3/3/2)
Hellbrutes - Cost 4 (3/4/3)
Repulsive Grand Cruisers - Cost 5 (4/5/4)
Chaos Reaver Titans - Cost 5 (4/5/3)
Iyanden (Eldar):
Aspect Warriors - Cost 2 (2/1/2)
Hellebore Frigates - Cost 2 (3/2/1)
Wraithguards - Cost 3 (2/4/2)
Falcons - Cost 4 (3/4/3)
Void Stalkers - Cost 5 (4/5/4)
Warlock Titans - Cost 5 (4/5/3)
Evil Sunz (Orks):
Ork Boyz - Cost 2 (2/2/1)
Onslaught Attack Ships - Cost 2 (1/3/2)
Nobz - Cost 3 (2/4/2)
Battle Wagons - Cost 4 (3/5/2)
Kill Kroozers - Cost 5 (3/6/4)
Gargants - Cost 5 (3/6/3)
Plus, all Factions have access to:
City - Cost 3
Factory - Cost 2
Bastion - Cost 2 (2/3/2)