Do you specifically design reasons for each class to roll each kind of die?

Burning design questions for @mikemearls: Do you specifically design reasons for each class to roll each kind of die?

— Aaron Forsythe (@mtgaaron) September 28, 2017

Not specifically – each die to has something of a character to it, though, not necessarily a fit for each character class or power suite. https://t.co/YNFYLxZOzl

— Mike Mearls (@mikemearls) September 28, 2017