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I think that this would be a really nice minigame on the server to play but I do know that it probably won't come anytime soon because minigames aren't the developer's top priority.
As Joshua said above, Potterwatch has had some videos with players and community and I bet they are intending to have more of those videos in the future.
I think this would be a great idea for the housing scenery. I personally love the wizarding schools so I think this would be a great idea. Amazing idea. :heart::heart:(y)