Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Transform  

Shedinja @ Focus Sash  
Ability: Wonder Guard  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Swords Dance  
- Secret Power  
- Will-O-Wisp  
- Shadow Sneak  

Klefki @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 168 SpD / 88 Spe  
Calm Nature  
IVs: 0 Atk  
- Thunder Wave  
- Swagger  
- Defog  
- Dazzling Gleam  

Tapu Fini @ Iapapa Berry  
Ability: Misty Surge  
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Surf  
- Defog  
- Taunt  

Gyarados @ Gyaradosite  
Ability: Moxie  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Crunch  
- Waterfall  
- Earthquake  

Heatran @ Chople Berry  
Ability: Flash Fire  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Lava Plume  
- Flash Cannon  
- Stealth Rock  
- Earth Power