Dagon (Politoed) @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 164 Def / 96 Spe  
Bold Nature  
IVs: 0 Atk  
- Perish Song  
- Scald  
- Rest  
- Encore  

Shoggoth (Ferrothorn) @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Spikes  
- Leech Seed  
- Power Whip  
- Knock Off  

Y'Golonac (Swampert-Mega) @ Swampertite  
Ability: Swift Swim  
EVs: 72 HP / 252 Atk / 184 Spe  
Adamant Nature  
- Stealth Rock  
- Waterfall  
- Earthquake  
- Toxic  

Byakhee (Talonflame) @ Leftovers  
Ability: Gale Wings  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Swords Dance  
- Brave Bird  
- Roost  
- Will-O-Wisp  

Cthulhu (Tentacruel) @ Black Sludge  
Ability: Rain Dish  
EVs: 248 HP / 228 SpD / 32 Spe  
Calm Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Scald  
- Mirror Coat  
- Rapid Spin  

Azathoth (Chansey) (F) @ Eviolite  
Ability: Natural Cure  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Wish  
- Seismic Toss  
- Soft-Boiled  
- Heal Bell