"Guilds of Ravnica" is a set for the trading card game Magic: The Gathering, released in 2018. It explores the city-plane of Ravnica, which is divided into ten distinct guilds, each representing a combination of two colors of mana. Each guild has its own unique identity, mechanics, and themes, reflecting the diverse cultures and philosophies within the city. The set introduces new cards, mechanics, and strategies that emphasize the interactions between the guilds. Players can build decks that showcase the strengths of their chosen guilds, making for dynamic gameplay. The set also features iconic characters and creatures from the Magic: The Gathering lore, enriching the game's narrative.