What KR and KB filters do I really need?

I want to start shooting Velvia 50 RVP (5500) and I want to know what color correction filters I really need to buy? Later I want to learn to use Portra 800 and would prefer to color correct at the time of exposure, what filters do I really need for that?

Note that I plan to shoot daylight film indoors and outdoors.

Thank you,

Puma