Corgi's adapt really well to indoor living and minimal exercise, but border collies don't. They need room to run and they need you to play with them. I'd say as long as you can meet those requirements the dogs would probably get along, but if you don't work a border collie she will work you.

But I'm on team mutt. Check your shelters and stuff for herding dog mixes and give an animal who needs it a good home. ?

PS: The best dogs are mastiffs.