I may be wrong, but I don't believe there are any non-[POWER] creatures in vanilla that have the [SPHERE] token. As far as I can tell, [SPHERE] only deals with worship, name generation, and some HFS-related stuff
specifically, what kind of things you'll find in a demon's chamber.
It's weird that mundane creatures don't have spheres, because we've all seen gods that are depicted as a bat or a mussel or something. If I had to guess, I'd say the choices of animal are based on biome (water creatures automatically get [SPHERE:WATER]) or certain other tags ([FLIER]s automatically get [SPHERE:AIR]). If that's the case, we won't need to supply any of the obvious tags; the game will do it for us.
That said, I see no reason why we shouldn't add the
unobvious tags. If we want to relate, say, butterflies with beauty or mongeese with trickery, we should definitely mark those down. Even if the tags don't do anything now, they might in the future. Better to be prepared.
EDIT: Come to think of it, they
do do something now. If the creature gets hit with Zantan's megabeast template, its predefined spheres will determine how it's named and who might worship it.
Sorry to double post, but I was wondering how vermin are defined in the next version...there are lots of vermin tags, but it is not clear which one identifies a vermin. There could also be a size cutoff, since vermin will have size. Does anyone know?
As far as I know, if a creature has any tag that starts with VERMIN, it's a vermin. I haven't heard about any size cutoff either.
If you want megabeast versions of vermin, you'll have to remove all the VERMIN tags or you'll end up with a colossal rhino lizard that a cat can kill in one bite. You'll probably also want to remove [SMALL_REMAINS], [PENETRATE_POWER], and other verminesque tags, although I don't think those are as vital.