Shadowmoor is the first set of the new "Shadowmoor" block. The set's theme is color, utilizing hybrid. across the allied color pairs, along with new innovations in hybrid mana. A new action is introduced in this set, called "Q", representing the untap symbol; according to Rosewater, this has been "never done before. The set will play on the same plane as Lorwyn, but due to an event called the Aurora, the plane and its inhabitants were twisted and changed.
