Les dix cartes Azorius Guildmage, Dimir Guildmage, Rakdos Guildmage, Gruul Guildmage, Selesnya Guildmage, Orzhov Guildmage, Izzet Guildmage, Golgari Guildmage, Boros Guildmage et Simic Guildmage, forment un cycle de Ghildmages.

Source (Ravnica: City of Guilds Block - "The most interesting design space was on the uncommon cards. The block had a ten-card cycle of creatures (the Guildmages) with a hybrid cost and two monocolor activations. [...]")