OK more nuggets that I've stumbled across while building a witch character:
Found a nice
article that spells this out in a lot more detail, but a Witch with both the Cartomancer and Hedge Witch archetypes (and they can be combined) can spontaneoulsy cast cure spells at range through her thrown Harrow deck cards. She can cast any touch spell through the cards, but of course the non-healing ones have to be prepared.
Also, for healing your party this combo seems great: the
Healing Hex combined with Hex Vulnerability makes for a very nice, cheap healing method (wand of hex vulnerability + your familiar delivering the hex = 2d8+CL, up to 2d8+10, healing per wand charge).
Also, and please someone correct me if I'm wrong because it sounds too insanely good to believe, there seems to be
no range limit on how far away your familiar can be when it delivers a Hex via touch. It specifically says it doesn't have to be touching you when you "activate" the Hex, unlike when it delivers a touch spell. So you could be scrying on it from across the world, and then when it gets near the enemy you want to target, BAM! Combine this with some easy way to bring it back from the dead (because obviously sending it out to attack people is risky) and this could be a way to use it for long ranged delivery of Hexes.
And remember the old Share Pain on your psicrystal trick to get (effectively) +50% hit points? Well now
pretty much every caster with a familiar can have that. You also basically get a free +2 AC out of the deal thanks to the feats the familiar gets. It loses Improved Evasion, which might hurt a lot in some games, but in games where you typically don't get hit with area attacks you won't miss it.
I'm still trying to decide if using the Transfer Feats option of the Beast-Bound archetype is worth it or not. What would be some good feats to give a familiar, anyway? Since mine is
a snake-shaped outsider (i.e. lacks hands) not all of them will be useable.
Or... maybe I'll change to lawful neutral and go with the
Arbiter Inevitable as an improved familiar because they get Regeneration 2 (Chaos)!
It might as well just say "unkillable" in most campaigns! This thing on a Beast-Bound Witch basically means you're freakin' indestructible!