Mono Poison

Muk @ Black Sludge
Ability: Sticky Hold
EVs: 252 HP / 4 Atk / 252 SpD
Careful Nature
- Fire Punch
- Rest
- Sleep Talk
- Curse

Arbok @ Shuca Berry
Ability: Intimidate
EVs: 252 Atk / 252 Spe
Adamant Nature
- Gunk Shot
- Coil
- Earthquake
- Sucker Punch

Roselia @ Eviolite
Ability: Natural Cure
EVs: 248 HP / 8 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Giga Drain
- Spikes
- Synthesis
- Toxic Spikes

Dustox @ Black Sludge
Ability: Shield Dust
EVs: 248 HP / 192 SpD / 68 Spe
Calm Nature
- Quiver Dance
- Iron Defense
- Bug Buzz
- Roost

Seviper @ Life Orb
Ability: Shed Skin
EVs: 40 Atk / 252 SpA / 216 Spe
Rash Nature
- Sludge Wave
- Giga Drain
- Flamethrower
- Sucker Punch

Beedrill @ Choice Scarf
Ability: Swarm
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- U-turn
- Knock Off
- Drill Run
- X-Scissor