Hello,i'm gonna try to comment that team to try to help you.
It is a pretty good team but i would change some sets.
-WishPort Clef is kinda good,she is not that good as in oras but she can still find place in the tier,however she is so weak to kartana and your team is kinda weak to kartana.
CB Kartana literally 2hkoes Landorus and then he pretty kills everybody outside Zeraora that can kill him with CC.
But Swords Dance Timid kartana literally 6-0es your team so you need to pay attention to him.
-Also Kyurem can be really good against you,Substitute Kyurem kinda destroys everyone in that team.
-I also see that you have no defogger in the team.
-I would change someone for Corviknight which can check Kartana and Kyurem,and that has also Defog.Personally i would change him with Clef,cause as i said before Clef is good but has a large amount
of counters in SS,like Kartana,Rillaboom,Galarian Slowking,Excadrill,Melmetal,Volcarona can set one Quiver Dance against you before you get a Tport,also Nidoking and other stuff like this.
-I also see that Clef and Tpex have max EVs investment in both Defenses,and that's unusual.
-Landorus-Therian
Seeing Lando without Stealth Rock and U-turn is kinda strange,you have SR on Heatran (i would prefer to use taunt or toxic on Heatran but okay) but u need for sure u-turn.
Landorus is such a good mon to gain momentum,so take advantage of it,and use u-turn instead of SD.
Also Expert Belt isn't that "wow" cause he hasn't that large movepool and u better go for Leftovers for coverage.
-Zeraora
Zeraora's Magnet is also kinda strange but it can be helpful,maybe Life Orb would work better but that's kinda a good set.
-Heatran
Max Speed Heatran is also strange outside Choice Scarf - Eruption set,so i'm not that sure about it and i would use him with the Special Defense set.
-Rillaboom
Rilla's set is okay,usually i would suggest you to go for u-turn cause off that is a good move to gain momentum and on rilla it works pretty good,but it's okay like this.
I don't like that much Wood Hammer along with Grassy Glide,i would either choose for Knock off.
I hope i was helpful.