Volcanion @ Leftovers  
Ability: Water Absorb  
EVs: 68 HP / 252 SpA / 188 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Earth Power  
- Substitute  
- Flamethrower  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Earth Power  
- Stealth Rock  

Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Healing Wish  
- Teleport  
- Soft-Boiled  
- Seismic Toss  

Corviknight @ Rocky Helmet  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Roost  
- Defog  
- Brave Bird  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 12 HP / 252 Atk / 244 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Punishment  
- Knock Off  

Heatran @ Air Balloon  
Ability: Flash Fire  
EVs: 248 HP / 4 Atk / 168 SpD / 72 Spe  
Sassy Nature  
- Magma Storm  
- Earth Power  
- Heavy Slam  
- Taunt