Would you rather be a master developer who can design, or a master designer who can code?

I think I could be the main developer. I like to create more with 0

personal preference, option 2 it is. while I enjoy doing both, I currently focus on designing a lot more, with still wanting to learn more about the coding world

Learning to be a great designer is much harder than learning to be a great developer, so if you can cover the design side, you've conquered the hard part.

Master designer who can code.

I believe a master designer who can code would be the best career choice in my opinion :)

Master designer who can code :)

Either one would be better than my current position of neither!

Both sounds awesome! And both of them are important.

Pick whatever you're best at! There's infinite opportunities for great designers and great developers, and the lines are getting blurred by the year. Don't pick the "optimum" skillset based on someone else's opinion.