Help me improve my Generation 8 OU team

Question

This is a balance team, I weaken the team with my walls and throw a few attacks around, then clean up with my offensive Pokemons.

Blaziken @ Life Orb
Ability: Speed Boost
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
IVs: 0 SpA
- Swords Dance
- Flare Blitz
- Close Combat
- Thunder Punch

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Teleport
- Moonblast
- Wish
- Protect

Swampert @ Rocky Helmet
Ability: Torrent
EVs: 252 HP / 252 Def / 4 SpD
Impish Nature
IVs: 0 SpA
- Stealth Rock
- Flip Turn
- Earthquake
- Yawn

Tapu Koko @ Choice Specs
Ability: Electric Surge
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Thunderbolt
- Dazzling Gleam
- Grass Knot
- Volt Switch

Corviknight @ Leftovers
Ability: Pressure
EVs: 252 HP / 28 Def / 228 SpD
Careful Nature
IVs: 0 SpA
- Defog
- Roost
- U-turn
- Brave Bird

Garchomp @ Leftovers
Ability: Rough Skin
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
IVs: 0 SpA
- Swords Dance
- Dragon Claw
- Earthquake
- Stone Edge

What I usually try to do is get rocks up with Swampert, then Yawn to force the opponent to either switch or fall asleep. I Flip Turn to see what my opponent does. If they give me an opportunity and stay in to do anything, I can bring in Blaziken when they're asleep, set up and sweep. Else I go into another Pokemon depending upon their switch.

Clefable is to keep my Swampert healthy so that it gets more opportunities to force the opponent to make difficult decisions. Corviknight is to help Defog hazards and screens . Tapu Koko is another good pivot and a good cleaner, for when Blaziken doesn't manage to take the entire team out.

Garchomp is filler, to fight Pokemons which rely on Paralysis support and check Electric Types, which the team is weak to. I want a better option here, but can't see any better options.

Comments

Personally, I'd say go for unaware Clefable with HDB since Pheromosa is such a threat with quiver dance. On Garchomp, go for scale shot and have it be the backup sweeper. Blaziken is more useful as a wallbreaker anyway since it kills itself with flare blitz

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I used to run DC on Chomp because I have had really bad experiences with Scale Shot. It misses so much and hits only twice too much too.

Answer 1

Blaziken: High Jump Kick is better and stronger than Close Combat. Also, Thunder Punch is fine, but I personally prefer Protect for the free Speed Boost turn.
Clefable: This is fine.
Swampert: This is fine too.
Tapu Koko: I personally would use a Modest nature, but Timid is perfectly fine too.
Corviknight: I suggest using Unnerve but that's just my preference.
Garchomp: Dragon Claw? Outrage is much better.

Garchomp is filler, to fight Pokemons which rely on Paralysis support
and check Electric Types, which the team is weak to.

Weak to electric types? Tapu Koko and Swampert are sitting right there. I suggest running this:
Hawlucha @ Electric Seed
Ability: Unburden
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
IVs: 0 SpA
- Swords Dance
- Acrobatics
- Close Combat
- Taunt
This pairs well with Tapu Koko and is a pretty good sweeper.

Comments

HJK is NOT better than Close Combat. The 10% miss chance instantly ruins Blaziken, pretty much ending the game. For 10 less power (which does not matter much because of its high attack) and defenses drop (which does not matter because of its already absymal bulk), you get consistency.
Thunder Punch is a lot more important than Protect, since the opponent will be sleeping anyway. Fire and Fighting don't provide the best coverage, Electric rounds it off well.

Modest on Koko is absolutely not fine, it needs the speed to outspeed crucial threats like Spectrier, Weavile, Tornadus-Therian, Aerodactyl, Alakazam, Cinderace and more.

Swampert is support, not tank. It doesn't have reliable recovery. Tapu Koko resists Electric, but has poor bulk, and Electric Surge causes more damage. Having Hawlucha will make my team worse.

This is overall really bad advice.

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Also try Knock Off. It worsens matchup against Tapu Fini, but helps against Slowbro, which is now common.

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"Swampert is support, not tank. It doesn't have reliable recovery."
do you realize that swampert is immune to electric moves

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And remember that i never said that a Modest nature on Koko or Protect on Blaziken is better. I just said that it's what I usually run.
Also what if you lose Swampert and you end up with no way to put opponents to sleep? You might end up having to fight something faster than Blaziken, and you might die because you don't have Protect.

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TL the legend, Swampert cannot last throughout the game to keep countering electric moves. Doesn't matter if it's immune if it's dead. Keeping it alive is very difficult, since it already compresses so many roles.