I have a similar law background, except for the VC part.
The main point here is What is the purpose of the Start-up or the business that you will start at 30?
1. You want to be the number 1 law firm, working in a top law firm will help you understand the intricacies of what goes in building one.
2. You want to go in VC arena because you want to make tonnes of money, you will mint money either ways if you graduate from M7
3. If you are really passionate about working in VC area purely out of passion, then German VC sounds good.
4. Intersection of law and consulting is a good option too. MBB exposure will help you build network and understand the clients businesses in a better way.
5. IMO, Law degree adds competitive advantage in your profile. So, working in that domain will strengthen your foundation. So, do not lose that at any cost. There might be several candidates from MBB or VC domain that may or may not get in.
However, if you stick to your foundation, you might not need an MBA at all. This puts in a position of power, power to choose.
I am not concluding my viewpoints, because understanding what you like in a personal process and only YOU can decide the best.
All the best.
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