Sid Meier’s Civilization 7 will be coming out in a little over a month, and it is the perfect opportunity for the franchise to take one of Civilization 6's best mods and make it official. There are a ton of great mods available for the Civilization series on places like the Steam Workshop that can change how players interact with the games. These mods can introduce minor changes like new policies, or major changes like custom leaders and maps from fictional universes like The Lord of the Rings or Game of Thrones.

While not all mods would make sense for Civilization 7 to include as new gameplay features, there is at least one that would be perfect. The concept for the mod itself is relatively simple, and it’s actually somewhat surprising no Civilization game has added it as an option yet. However, despite its simplicity, the mod can also have...