Rate my Gen 8 National Dex Monotype team

Question

Venusaur @ Venusaurite
Ability: Overgrow
EVs: 252 HP / 240 Def / 16 Spe
Bold Nature
IVs: 1 Atk
- Sludge Bomb
- Giga Drain
- Hidden Power [Fire]
- Synthesis

Toxapex @ Icium Z
Ability: Regenerator
EVs: 252 HP / 116 Def / 140 SpD
Calm Nature
IVs: 0 Atk
- Haze
- Scald
- Recover
- Toxic Spikes

Nidoking @ Life Orb
Ability: Sheer Force
EVs: 4 Def / 252 SpA / 252 Spe
Timid Nature
- Earth Power
- Ice Beam
- Thunderbolt
- Flamethrower

Nihilego @ Choice Scarf
Ability: Beast Boost
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Power Gem
- Thunderbolt
- Dazzling Gleam
- Sludge Wave

Gengar
Ability: Cursed Body
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Shadow Ball
- Focus Blast
- Taunt
- Sludge Wave

Weezing-Galar @ Black Sludge
Ability: Levitate
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Strange Steam
- Will-O-Wisp
- Defog
- Pain Split

Comments

what item on gengar?

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On Gengar, Nasty Plot should be used if it's a Taunt set to take advantage of defensive Pokemon.

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Oh Crap, I forgot to give Gengar an item. I think I meant to give it a Focus sash or an Expert belt.