Mamoswine @ Life Orb  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Icicle Crash  
- Earthquake  
- Ice Shard  
- Stealth Rock  

Magnezone @ Steelium Z  
Ability: Magnet Pull  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunderbolt  
- Substitute  
- Flash Cannon  
- Hidden Power [Fire]  

Mew @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 184 Def / 72 Spe  
Jolly Nature  
- Will-O-Wisp  
- Earthquake  
- Soft-Boiled  
- Defog  

Keldeo-Resolute @ Choice Scarf  
Ability: Justified  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Stone Edge  
- Hydro Pump  
- Secret Sword  
- Surf  

Tangrowth @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Knock Off  
- Giga Drain  
- Hidden Power [Fire]  
- Earthquake  

Tapu Koko @ Choice Specs  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Volt Switch  
- Dazzling Gleam  
- Hidden Power [Ice]