Mono-Poison

Scolipede (M) @ Focus Sash
Ability: Speed Boost
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Swords Dance
- Megahorn
- Poison Jab
- Rock Slide

Skuntank (M) @ Life Orb
Ability: Aftermath
EVs: 252 Atk / 104 SpA / 152 Spe
Naughty Nature
- Sucker Punch
- Defog
- Poison Jab
- Fire Blast

Crobat (F) @ Choice Band
Ability: Infiltrator
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Brave Bird
- U-turn
- Cross Poison
- Zen Headbutt

Gengar (M) @ Life Orb
Ability: Levitate
EVs: 4 HP / 252 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Substitute
- Shadow Ball
- Focus Blast
- Pain Split

Venusaur (M) @ Venusaurite
Ability: Chlorophyll
EVs: 248 HP / 96 Def / 144 SpD / 20 Spe
Bold Nature
- Giga Drain
- Sludge Bomb
- Synthesis
- Hidden Power [Fire]

Tentacruel (M) @ Black Sludge
Ability: Liquid Ooze
EVs: 248 HP / 252 SpD / 8 Spe
Calm Nature
- Scald
- Toxic Spikes
- Rapid Spin
- Knock Off