Magic: The Gathering is a long-time staple of the TGC community. With 30 years of history, it is undeniable that it has had a major impact on the industry. It is set apart from others not only by the nature of its impressive array of cards and formats but also its vast amount of in-game lore. As the oldest-known trading card game, Magic has an incredible amount of content within the franchise, including countless characters and multidimensional worlds. With so many locations to choose from and existing lore to keep track of, it can be a challenge for developers to select the proper one for an upcoming set.
Source：https://www.cbr.com/magic-planes-players-will-likely-never-see-again-and-why/
