I need opinions regarding my Dark Monotype Team for SwSh

Question

I'm trying to build a Dark Monotype Team for Pokemon SwSh (Battle Stadium Singles). It would help if I could get some opinions from you guys. I tried testing these guys on Showdown, and so far I am satisfied with the results. Any advice would surely help :))

Grimmsnarl @ Choice Band
Ability: Prankster
Shiny: Yes
EVs: 252 HP / 4 SpD / 252 Spe
Adamant Nature
- Trick
- Brick Break
- Spirit Break
- Fake Out

Tyranitar @ Weakness Policy
Ability: Sand Stream
Shiny: Yes
EVs: 252 HP / 204 Atk / 26 Def / 26 SpD
Brave Nature
- Stone Edge
- Crunch
- Iron Head
- Retaliate

Malamar @ Assault Vest
Ability: Contrary
Shiny: Yes
EVs: 252 HP / 252 Atk / 4 Def
Adamant Nature
- Superpower
- Psycho Cut
- Night Slash
- Rock Slide

Thievul @ Focus Sash
Ability: Unburden
Shiny: Yes
EVs: 4 Atk / 252 SpA / 252 Spe
Rash Nature
IVs: 0 HP / 0 Atk / 0 Def / 0 SpD
- Dark Pulse
- Psychic
- Grass Knot
- Nasty Plot

Drapion @ Razor Claw
Ability: Sniper
EVs: 156 HP / 252 Atk / 100 Spe
- Toxic Spikes
- Night Slash
- Cross Poison
- Ice Fang

Umbreon @ Leftovers
Ability: Synchronize
Shiny: Yes
EVs: 4 HP / 252 Def / 252 SpD
Bold Nature
IVs: 0 Atk
- Yawn
- Protect
- Foul Play
- Wish

Comments

oops that's a mistake on my part. thank you for pointing it out

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I like the team a lot. I just think that malamar should have foul play and umbreon should have toxic.

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@Pokemonexpert Umbreon can't learn toxic.