Casting Spells as Class X from the Spell List of Y for an X/Y Character

[booitsjwu]

An example of what I mean is a wizard/cleric casting spells from her wizard spell list as a cleric or vice versa. Is it possible?

[Extra Anchovies]

Southern Magician (some FR book) lets a Cleric prepare and cast Cleric spells as Arcane spells.

Arcane Disciple (Complete Divine) lets a Wizard prepare Cleric domain spells, but I'm pretty sure they're cast as arcane spells.

Geomancer (Complete Divine) lets you mix the two, but I forget exactly how.

[booitsjwu]

Southern Magician (some FR book) lets a Cleric prepare and cast Cleric spells as Arcane spells.

Arcane Disciple (Complete Divine) lets a Wizard prepare Cleric domain spells, but I'm pretty sure they're cast as arcane spells.

Geomancer (Complete Divine) lets you mix the two, but I forget exactly how.

Sorry, I probably should have mentioned that I was not looking to cast spells as either arcane or divine. I was specifically looking for ways to use the cleric spell slots for wizard spells but I just remembered one: the Hathran's Rashemi Spirit Magic. Can anyone think of any others?

[AmberVael]

Another method is using Dweomerkeeper's Mantle of Spells feature, though it has some limitations.

[booitsjwu]

Yeah but with Acorn of Far Travel, Hathran 1 gives you spontaneous casting across spell lists for all of your spells. How nice is that?

[Pluto!]

Trailblazer's alternate casting multiclassing mechanics make this sort of situation a lot less stupid.

[booitsjwu]

Anyone know of any other ways to cast from class X's spell slots as class Y?

[AnonMD]

Samsarans, but they can't cross arcane spells with divine spells.