Calm Mind (Tapu Koko) @ Life Orb  
Ability: Adaptability / Magic Guard / Primordial Sea / Refrigerate
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Roost / Grass Knot
- Thunderbolt / Thunder
- Dazzling Gleam / Hyper Voice

Choice Specs (Tapu Koko) @ Choice Specs  
Ability: Transistor / Primordial Sea / Adaptability
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt / Thunder
- U-turn  
- Dazzling Gleam  
- Volt Switch