lol at spammers post. ok, why mario circuit and green hill should be banned.
besides the obvious aspects of camping on a big stage like green hill especially with goal posts to make it even worse, the DDD chain grab is ultimately game breaking here. Over half of the characters can be chain grabbed, and if the DDD is set on it, you really can't get away from it, and both sides are walk offs. You can also CG on the top half of mario circuit, just not the middle platform.
however if each player is allowed to ban two stages, then if someone knows theyr going against a DDD they can ban mario circuit and green hill. if you can only ban one, the other stage will always be there and if the DDD gets a counterpick, theres an easy win.