Can I hit you? I want to hit you, but I'm not sure if you're being sarcastic or not.
You need 2nd level spells don't you? That means you can't trade away whatever grants you 2nd level spells, period, including Wizard2 if that's what gave them to you.
Yes, I know all of that. I'm looking for something designed with both of these classes in mind. Not just qualifies for something and advances spellcasting, but a PrC that actually combines the thematic of both classes and syngergizes with them beyond mystery/invocation advancement.