To be honest, the best camera is probably your phone. Why? It is always with you, and the phone is probably the ultimate solution in shooting more, quickly editing/post-processing your photos (like with VSCO), and to easily share/publish your photos!
So another creative constraint you can give yourself is this: only shoot with your phone for a month.
Also to learn more benefits of shooting on your phone, check out this new free/epic visualization by ANNETTE KIM: Ultimate Beginner’s Guide to Smartphone Photography Visualization PDF