Guildpact is a Magic: The Gathering expansion set released in 2006, part of the Ravnica block. It introduces new mechanics and features the ten guilds of Ravnica, each representing a unique combination of colors and abilities. The set focuses on themes of cooperation and conflict among these guilds, showcasing their distinct identities and interactions. The storyline of Guildpact revolves around the fragile balance of power among the guilds and the consequences of their actions. A significant event in the narrative is the return of Dack Fayden, a planeswalker who seeks to uncover secrets and influence the guilds. This expansion deepens the lore of Ravnica and enhances gameplay with its diverse mechanics.