Well, in Warhammerama I went with a W/S bless on an oracle, with high order, sloth, and magic. I don't remember for the other scales. It was a small game vs lizards, ogres, and rats, and I was terrified of wither bones, plus I figured there had to be a significant amount of banishment spam that would be coming at me. And the lizards have tons of powerful priests, so the extra magic resistance seemed like a very good idea (and most definitely was). My buried weren't quite good enough killers to take out ogres or E10 lizard temple guards, but sulphur haze worked well to kill both of those. And by the time I was fighting the lizards I had cloud of death, supplemented by the occasional shadow blast... all of which the buried are almost completely immune to.
I haven't tried any other bless with them really, W/S just seemed the best fit for them to me, plus it's cheap. I can see fire being quite devastating though. If you can get by using an earth bless it would be great for your tomb kings later on. And death would be nice as well. If only sorcerors were sacred, I can only imagine how delightful it would be watching your enemies become horrifically afflicted in a giant cloud of burning vapors.
And with immortals, keep in mind that they have map move 3. Sure, I was playing a small game where I had only a fairly small amount of land to fight in. I actually was never more than 3 provinces from the front, I think. But even without survival skills 3 map move should get just about anywhere pretty quickly. I would also think, if you had 100 blessed, well-buffed immortals you could kill just about any tartarian you could find. And do it again and again. But having them basically limited to a defensive role is a pretty significant mark against them.
In any case, this update imo sounds like a pretty significant boost to the tomb kings overall. I'll have to get a game or two going
