Why focus so many points on attack spells? You could easily get more utility from putting in an Elemental Wand.
Other than I've never been a huge fan of Elemental and Mage Wands: Note that this is a Priestess that likes to play up close and personal... Elemental Wand therefore is easily Dissolved or Stolen. It also takes an extra action to bring it out that I would rather use to ramp up elsewhere. Yes, it is the same action (and mana cost) for my opponent to get rid of the wand... but I don't want to have to invest in it in game. My actions early on are used up in getting out the right mix of creatures and conjurations, and in setting up extra dice for my attacks (usually an early Ring and Hawkeye, or whatever), plus the minimum in survival spells (Robes and one piece of armor usually).
You are also quite vulnerable to ranged attacks because you are lacking a couple of Guardian Angels.
Ranged attacks don't bother me too much. Asyran Robes and Dorseus work together wonderfully, and there is healing available from Joseph Trublood and my incantations. Also, as noted before, I tend to be fairly aggressive with this book... so long range attack spells usually are no better than my cheaper eight-die Luminous Blasts when fighting in the enemy's zone, or whatever.
With only six creatures, you will also find that creature heavy books like Necromancers and Warlords will overwhelm your defenses pretty quickly without suffering much in the way of pain. I would also suggest adding a Mage Wand and a couple of Teleports and I would replace the Colossus Belt with a Regrowth or Veteran's Belt (Priestesses should not care about condition markers, as they can remove them with minimal effort).
Thanks for the suggestions. I have tried many different combinations of creatures, and settled on these (though I have revised the book to add two more creatures recently).
My main thought about Teleport: It uses a lot of mana and maybe an action that I'd like to use to attack with. If I am getting the Mage into the front lines, I don't feel as if I need one so much.
I've not really gotten to play against warlord swarms yet, but I tend to take out most swarm-type animals quickly with my ranged attacks. Nonliving creatures aren't nearly as dangerous when you have the Pillar and the attack mix in the book (Light attacks, including the Temple; Creatures that get extra dice against them; and Daze/Stun effects that limit the amount of incoming damage from affected creatures). Tsunami also is useful against any kind of non-flying swarms. At one point I had a Force Wave in the book for use in pushing smaller creatures into the Pillar or against a wall, but found that it wasn't needed. Also, Aegis is a magnificent trait when someone comes at you with a swarm. Sometimes swarms will get me, but maybe not as often as you might think.
I don't need the Regrowth Belt since there is the life gain ability from many Holy spells and the amulet, and the healing granted to me by my creatures and HoB. I don't want the Priestess to be Slammed or Stunned or whatever horrible other condition you can think of when I want to be attacking with spells or bringing out creatures on those turns. The Veteran's Belt is pretty much useless to her... she uses so little armor at any given moment, mostly relying on Aegis and healing instead.