Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Explosion  
- Stealth Rock  
- Mystical Fire  
- Diamond Storm  

Kommo-o @ Kommonium Z  
Ability: Bulletproof  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Clanging Scales  
- Clangorous Soul  
- Close Combat  
- Poison Jab  

Weavile @ Life Orb  
Ability: Pressure  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Knock Off  
- Triple Axel  
- Ice Shard  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 52 HP / 200 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Glare  
- Hidden Power [Fire]  
- Substitute  

Victini @ Choice Scarf  
Ability: Victory Star  
EVs: 252 HP / 4 Atk / 252 Spe  
Jolly Nature  
- V-create  
- Final Gambit  
- U-turn  
- Trick  

Garchomp @ Leftovers  
Ability: Rough Skin  
Happiness: 0  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Scale Shot  
- Fire Fang  
- Earthquake