Evilswarm, Constellar, and Fire Fist almost don't even count to me bc they're so close to being Tier 1. They might not be sided against but they'll be expected and I think they will make some kind of showing. But they will likely not be hit hard if at all in the banlist, which will be fairly soon already...where did the time go?
Anyway, I doubt it will make a showing in World's or anything, but I've been having an unusual amount of success with Karakuri Geargia. It has great consistency and rarely has any bad hands, plus it's easy to explode. The bonus is that since when you explode, you toolboxed 90% of your monster lineup, so you will basically only draw spells and traps (that turn if you play Bureido right). You need basically no spell or trap for the engines themselves, so you're free to stock your slots with whatever kind of hate you feel like. You'll end up with a field of 3 Burei/Bureido and a Stardust/Crimson Blader, then you can set stuff like Iron Wall, Mind Drain, Deck Lockdown, Lances, Chains, etc. This is especially effective against Prophecy, since they have no protection whatsoever and you just blow them away the next turn. Dragon Rulers at least have a chance to Big Eye you if you didn't draw into enough traps or use Blader.
Downside is, Evilswarm is a thing and you're simply SOL if you can't special summon synchros. You can still pull off a win if you can get rid of him, you DO have lots of traps for an OTKish deck. But Evilswarm have the clear advantage. Very doubtful it will go anywhere in anything big right now, but it is very fun to play and a good dark horse against the top 2 decks.