try this

Venomoth @ Focus Sash
Ability: Wonder Skin
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Bug Buzz
- Sleep Powder
- Quiver Dance
- Sludge Bomb

Nidoqueen @ Focus Sash
Ability: Sheer Force
EVs: 252 HP / 4 Def / 252 SpA
Modest Nature
IVs: 0 Atk
- Stealth Rock
- Earth Power
- Ice Beam
- Fire Blast

Tentacruel @ Black Sludge
Ability: Liquid Ooze
EVs: 200 HP / 200 SpD / 108 Spe
Calm Nature
IVs: 0 Atk
- Scald
- Acid Spray
- Giga Drain
- Rapid Spin

Drapion @ Choice Scarf
Ability: Sniper
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Rock Slide
- Knock Off
- Pursuit
- Earthquake

Venusaur-Mega @ Venusaurite
Ability: Chlorophyll
EVs: 248 HP / 252 Def / 8 SpA
Bold Nature
IVs: 0 Atk / 30 SpA / 30 Spe
- Giga Drain
- Sludge Bomb
- Hidden Power [Fire]
- Synthesis

 (Crobat) @ Rocky Helmet
Ability: Infiltrator
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Taunt
- Brave Bird
- Roost
- Super Fang