Leviathan (Inteleon) @ Choice Scarf  
Ability: Primordial Sea  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Weather Ball  
- U-turn  
- Ice Beam  
- Hydro Pump  

Abandon Ship (Tapu Fini) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 208 Def / 44 SpD / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Whirlpool  
- Taunt  
- Nature's Madness  
- Scald  

Arc Lights (Mandibuzz) (F) @ Heavy-Duty Boots  
Ability: Dauntless Shield  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- U-turn  
- Foul Play  
- Roost  
- Whirlwind  

Die Peacefully (Tapu Koko) @ Life Orb  
Ability: Magic Guard  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Thunderbolt  
- U-turn  
- Roost  
- Nature's Madness  

Red Alert (Blissey) (F) @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Calm Nature  
IVs: 0 Atk  
- Teleport  
- Soft-Boiled  
- Stealth Rock  
- Toxic  

Alien Spaces (Ferrothorn) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 48 Def / 212 SpD  
Impish Nature  
- Spikes  
- Knock Off  
- Leech Seed  
- Power Whip