Mono Poison

counter! (Venusaur) @ Venusaurite
Ability: Overgrow
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
IVs: 0 Atk
- Giga Drain
- Sludge Bomb
- Leech Seed
- Synthesis

Drapion @ Black Sludge
Ability: Battle Armor
Shiny: Yes
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Poison Jab
- Knock Off
- Earthquake
- Taunt

meow (Weezing) @ Black Sludge
Ability: Levitate
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Will-O-Wisp
- Pain Split
- Sludge Bomb
- Clear Smog

cough (Gengar) @ Focus Sash
Ability: Levitate
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Shadow Ball
- Sludge Wave
- Dazzling Gleam
- Energy Ball

weez (Crobat) @ Life Orb
Ability: Infiltrator
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Brave Bird
- Cross Poison
- Defog
- U-turn

queen (Nidoqueen) @ Life Orb
Ability: Poison Point
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk
- Stealth Rock
- Earth Power
- Sludge Wave
- Ice Beam