Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
IVs: 30 Atk / 30 Def  
- Transform  

Tornadus-Therian @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 24 Def / 232 SpD  
Sassy Nature  
- Spikes  
- Leech Seed  
- Power Whip  
- Protect  

Heatran @ Firium Z  
Ability: Flash Fire  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Taunt  
- Stealth Rock  

Mawile-Mega @ Mawilite  
Ability: Intimidate  
EVs: 92 HP / 252 Atk / 164 Spe  
Adamant Nature  
- Swords Dance  
- Play Rough  
- Sucker Punch  
- Knock Off  

Rotom-Wash @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 200 Def / 56 Spe  
Bold Nature  
- Hydro Pump  
- Volt Switch  
- Will-O-Wisp  
- Pain Split