@Seraphage Totally agree. If I get it right, regarding only the charge move, it makes the 40 Saurus unit 9" away from the enemy unit thanks to the teleportation. Then, with Constelation/ Priest/ Curse of Fate it makes a 2D6 + 2 re-rollable charge. That makes a bit less than 50% chance to make 9", 10" would be even better to get the maximum Saurus to fight. Seems hard to do? Or I still missed something...
I'm not sold on the Fangs of Sotek formation, the Oldblood on Carno seems like a massive tax for what you get. A one-drop list is nice though. Have you considered using the Astrolith and Priest as summons? That would allow you to get them in the right position without using your teleport.
So quick question just to be sure : all units while not normally summoned in Fangs of Sotek, have all the summoning rules on them : no move, 9" away etc right ?