Mega Gallade was broken before and still is broken, regular gallade will drop right down to RU imo, I don't see a whole lot of reason to use it over the other plethora of fighting types that we have.
Mandibuzz is insane but probably will still stay here, just as a top tier defensive mon and staple to balance. It walls a huge portion of the tier and can spread poison and cripple the opposing team with Knock Off, as well as defog away hazards. It's surprisingly versatile for something that can wall so much of the tier, probably will see very high usage on balance/stall for its versatility as a defogger.
Mamoswine is gross and will probably be banned, there really isn't a lot that can switch in, being restricted to bronzong, suicune (although it's 3hkod by LO EQ), very defensive versions of Vaporeon (although I wouldn't use Vaporeon anyway, lol), max defense Megastoise, Cress, Reuni (albeit barely not 2hkod), Forretress, Mega Aggron (although it can't even 2HKO with Heavy Slam), physdef p2, Rotom-H, physdef Umbreon (haha), Granbull, Cofagrigus, physdef Ferroseed (lol), weezing? I can't really think of anything else that can reliably switch into Mamoswine, and that was the result of me going down the entirety of the current viability rankings and picking out things that aren't 2hko'd. I'm sure there are things that can switch in on a move and then proceed to outspeed and OHKO (Jolly BandCross comes to mind, among others) but the fact that Mamoswine also tears apart offense with priority Ice Shard and the fact that most of offense can't switchin anyway leads me to believe it will be banned. I'll have fun with it while it's here though, lol.
I never really used regular zam too much here, apart from some fun with encore zam, which is p fun. hippo means sand is gone, so rip stoutland, but from my experience hippos usage on standard balance teams like it used to get was steadily decreasing nowadays anyway.
thankfully we lost 4 of the 5 shitmons that are still in the bottom of the tier. now to get rid of trevenant n_n