Rotom-Wash @ Rocky Helmet  
Ability: Levitate  
EVs: 248 HP / 8 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Pain Split  
- Volt Switch  
- Hydro Pump  

Azumarill @ Leftovers  
Ability: Sap Sipper  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Whirlpool  
- Perish Song  
- Protect  
- Rest  

Thundurus-Therian (M) @ Life Orb  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hidden Power [Ice]  
- Thunderbolt  
- Grass Knot  
- Volt Switch  

Heatran @ Grassium Z  
Ability: Flash Fire  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Magma Storm  
- Solar Beam  
- Stealth Rock  
- Earth Power  

Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Psyshock  

Cradily @ Leftovers  
Ability: Storm Drain  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Curse  
- Seed Bomb  
- Recover  
- Stone Edge