Greyhawk variant of the 5e rules

@thedenofsinHey Mike – saw you have a Greyhawk variant of the 5e rules – been trying that w/my homebrew. show you mine & you show me yours? not done yet, but once it's written up will likely be in UA, maybe fall of this year? #wotcstaff

— (((Mike Mearls))) (@mikemearls) January 14, 2017