Guildmasters' guide to Ravnica

"Explore a worldwide cityscape in the first Dungeons & Dragons campaign setting to take on the world of Magic: The Gathering. This accessory contains resources that Dungeon Masters can use to enhance the experience of running a campaign in the sprawling city of Ravnica, using Guildmasters' Guide to Ravnica, a Dungeons & Dragons campaign sourcebook sold separately that explores one of the most popular settings in Magic: The Gathering"--Provided by publisher.