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

Greninja @ Grassium Z  
Ability: Protean  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Grass Knot  
- Gunk Shot  
- Hydro Pump  
- Hidden Power [Fire]  

Volcarona @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 252 HP / 212 Def / 44 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  
- Roost  

Clefable @ Rocky Helmet  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Soft-Boiled  
- Thunder Wave  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 8 Def / 252 SpD  
Careful Nature  
- Spikes  
- Leech Seed  
- Power Whip  
- Knock Off  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 88 HP / 188 Atk / 232 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Defog  
- Punishment