Rate my Gen 8 OU team

Question

Kartana @ Choice Scarf
Ability: Beast Boost
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Leaf Blade
- Sacred Sword
- Toxic
- Psycho Cut

Kartana is my scarfer, toxic to take care of stall, leaf blade for stab, while sacred sword and psycho cut are coverage.

Corviknight @ Leftovers
Ability: Pressure
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Defog
- Roost
- Tailwind
- Body Slam

Corviknight is my support, tailwind is to help with tapu koko, defog is to get rid of rocks while body slam is soul for paralysis. Roost is obviously recovery

Zapdos-Galar @ Choice Band
Ability: Defiant
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Blaze Kick
- Brave Bird
- U-turn

Zappos is one of two of my bands, close combat and brave bird are stab while blaze kick and U-turn are great coverage and with keeping up momentum

Swampert @ Leftovers
Ability: Damp
EVs: 252 HP / 252 Atk / 4 Def
Adamant Nature
- Earthquake
- Flip Turn
- Stealth Rock
- Scald

This is my stealth rock pokemon, flip turn to switch, scald for burn and earthquake because STAB.
Weavile @ Heavy-Duty Boots

Ability: Pressure
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Knock Off
- Ice Shard
- Triple Axel

Weavile is here to check landourous and other dragon types there to mess up my team, once it gets a swords dance knock off and ice shard wreck havoc across the team until it gets put down

Urshifu-Rapid-Strike @ Choice Band
Ability: Unseen Fist
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Surging Strikes
- U-turn
- Poison Jab

Urshifu, or as I like to call it “protect killer” is here to help prevent stall, hence the poison jab, surging strikes, and U-turn. It usually comes in on leech seed ferrathorn to close combat or on a clefable for poison jab.

Comments

Please provide explanations for each member of the team.

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Urshifu-R isn't a stallbreaker, it's more of a wallbreaker. The two have different meanings; a wallbreaker is an offensively oriented Pokemon meant specifically for crushing walls rather than sweeping, such as Urshifu, whereas a Pokémon which immediately threatens stall not for breaking down walls, rather for preventing the Pokémon commonly found on those teams from executing their standard strategies and thus hindering or entirely shutting down the team's defensive core is a stallbreaker, such as Gliscor.

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No steel moves for both steel mons?

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Kartana doesn’t really have any good steel moves, smart strike is it’s only attacking steel move in gen 8, corviknight is just support so it doesn’t use any steel moves

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Considering how frail weavile is, I wouldn't expect for weavile to run swords dance considering as mid-game, weavile can be damaged by a lot of offensive threats, such as volcarona w/focus sash can easly 1hko it with any fire type move.

I would rather give weavile focus sash.

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* Focus Sash Volcarona is very bad. Hazards cripple it, therefore Heavy-Duty Boots are, by far, better items for Volcarona.
* Weavile can chip Volcarona easily: Offensive Quiver Dance sets are 2HKO'd by non-Band Knock Off, and Band Knock Off OHKO's it. Unless Weavile gets burned, it's winning vs. chipped Volcarona (and Band is winning always), and non-Roost defensive Volcarona can't check it anyways.
* Focus Sash Weavile is very bad too. You need Heavy-Duty Boots on Swords Dance sets, and Choice Band is another good option for it. You'll never benefit from Sash, almost all of its checks are either worn down quickly or are 2HKO'd by its moves.

Please give a rate if you have enough knowledge of the metagame. Small suggestions like this are better if put as a comment.