D&D Guildmasters' Guide to Ravnica Dice

D&D Guildmasters' Guide to Ravnica Dice - Rules of Play says:

Heed Your Guild! Life in the big city isn’t always easy. As tensions between the guilds run high, the streets of Ravnica have never been more perilous. A good set of dice may just save your hide. Includes one d20, one d12, two d10s, one d8, four d6s, one d4, and one guild die.