This adds some variety to our ordinary hero life)). But I wouldn't mind a tournament where castles and heroes are chosen completely at random. Lately, I've been practicing this method of selection, and honestly, I really like it. That is, the meaning of restarts changes completely. After each restart, the castle is not the same as it was before, but a completely random one again, and the opponents change colors. Therefore, you can get Inferno with a fantastic respawn against Necropolis, but you need to think about it, because after a restart, it might turn out the other way around, but the respawn will be completely terrible.
And in general, why are there so few organizers of online Heroes 3 tournaments? Are they all so lazy? After all, the more tournaments, the more fun. If it's because of conflicts with other tournaments, you can make not too strict timeframes for the rounds and that's it. There are general rules, there are participants, all that remains is for someone to put it all together, come up with something interesting to attract participants, and go for it.