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I think this tournament isn't even for beginners – a beginner wouldn't watch hour-long rule explanation videos before the tournament, and wouldn't delve into the intricacies of a +1 attack difference between creatures. This is more of a friendly competition for enthusiasts, where one of them came up with the rules and wants to play a quest with their "friends" and isn't interested in explaining their vision to "outsiders." I think it's a great way for the mod creator to have fun; they will get the most enjoyment from the videos and watching them, the rules, and finally the tournament based on those rules. It's a bit selfish, but it's a valid point of view for maximizing enjoyment. Good luck.