Kyurem-Black @ Leftovers  
Ability: Teravolt  
EVs: 108 HP / 252 SpA / 148 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Ice Beam  
- Earth Power  
- Protect  

Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 208 HP / 48 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Hidden Power [Ice]  
- Protect  

Volcanion @ Assault Vest  
Ability: Water Absorb  
EVs: 248 HP / 96 SpA / 120 SpD / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Heat Wave  
- Overheat  
- Earth Power  

Amoonguss @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 176 Def / 84 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Rage Powder  
- Spore  
- Giga Drain  
- Protect  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Rock Slide  
- Superpower  

Thundurus (M) @ Sitrus Berry  
Ability: Prankster  
EVs: 240 HP / 164 Def / 16 SpA / 64 SpD / 24 Spe  
Modest Nature  
IVs: 0 Atk / 30 Def  
- Thunderbolt  
- Hidden Power [Ice]  
- Thunder Wave  
- Taunt