As a player of your AMAZING game, I do not see how this could be a bane to your every growing player base. It might even make a lot of players HAPPIER. They get a dream plot, or a plot that suits them, and everyone gets to revel in an experience that was once coveted and genuinely broken.

The current solution of adding more wards may only pose a harder problem to fix later on because you'll still have the limited housing, and a very outraged player base.

I don't know a thing about game design or the amount of work that it could take to make something like this happen, but you guys have never ever failed in delivering your player base something to enjoy and have been creative in your solutions. I do know that if you were to do something like this....
Just....

Yeah. I think I have said all I could, that the millions of others here haven't said already.