Koffing @ Sitrus Berry  
Ability: Levitate  
Level: 5  
EVs: 116 HP / 76 Def / 240 SpD / 76 Spe  
Careful Nature  
- Toxic  
- Taunt  
- Sludge Bomb  
- Hidden Power [Ground]  

Wailmer @ Sitrus Berry  
Ability: Water Veil  
Level: 5  
EVs: 36 HP / 40 Atk / 120 SpA / 236 SpD / 36 Spe  
Sassy Nature  
- Water Spout  
- Hidden Power [Grass]  
- Whirlpool  
- Self-Destruct  

Diglett @ Choice Band  
Ability: Arena Trap  
Level: 5  
EVs: 36 HP / 236 Atk / 236 Spe  
Jolly Nature  
- Earthquake  
- Rock Slide  
- Hidden Power [Ghost]  
- Sludge Bomb  

Voltorb @ Sitrus Berry  
Ability: Static  
Level: 5  
EVs: 116 HP / 36 Atk / 160 SpD / 196 Spe  
Hasty Nature  
- Rain Dance  
- Thunderbolt  
- Explosion  
- Hidden Power [Ground]  

Duskull @ Sitrus Berry  
Ability: Levitate  
Level: 5  
EVs: 196 HP / 36 Def / 120 SpD / 156 Spe  
Careful Nature  
- Icy Wind  
- Shadow Ball  
- Rain Dance  
- Memento  

Horsea @ Sitrus Berry  
Ability: Swift Swim  
Level: 5  
EVs: 116 HP / 116 Def / 196 SpA / 76 SpD  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Surf  
- Ice Beam  
- Rain Dance