The set's flavor is an amalgamation of several different planes in the universe. Krenko and Yeva hail from Ravnica, Odric from Innistrad, Nefarox from the Grixis portion of a reunited Alara, while Talrand, Xathrid Gorgon, War Priest of Thune and the equipment cycle of Rings refer to the plane of Shandalar. Bolas, like the other planeswalkers, is supplemented with several cards capturing his flavor, including Gem of Becoming and his minions Augur of Bolas, Disciple of Bolas and Mindclaw Shaman.