Thanks for the quick answers! The booster guide and spell index were especially helpful!
As for the Jaguar (858), I was browsing Pretenders in the dom_db to decide which ones I wanted to try first. The Jaguar caught my eye, but then it seems there was no nation for which the Jaguar is available.
My latest bit of comedy for those who want a laugh was trying the Arch Druid. I had planned a magic path based on putting on Earth Boots to get to Earth 3, only to find that he would not take them. Turns out he can't wear any footwear. That is something I didn't find written anywhere. Even though he rides a horse, I fail to see the logic of why that would keep him from wearing some boots. I still like the Arch Druid, even if he does not have feet
Anyway, I am playing a few games with the AI to get up to speed, and will save my other questions until I have played and studied a bit more. I look forward to playing some multiplayer, but not until I have at least gotten a good enough grasp of the game to beat the AI consistently. I feel it is a waste of other players' time for a newbie who has not even mastered the basics to occupy a slot in a game with real players.