Slurpuff @ Focus Sash  
Ability: Unburden  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
IVs: 0 HP / 0 Atk / 0 Def / 0 SpD  
- Sticky Web  
- Magic Coat  
- Yawn  
- Misty Explosion  

Cloyster @ King's Rock  
Ability: Skill Link  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Shell Smash  
- Icicle Spear  
- Rock Blast  
- Liquidation  

Weavile @ King's Rock  
Ability: Pressure  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Triple Axel  
- Knock Off  
- Beat Up  

Groudon @ Life Orb  
Ability: Drought  
EVs: 72 HP / 252 Atk / 28 Def / 156 Spe  
Adamant Nature  
- Swords Dance  
- Precipice Blades  
- Stone Edge  
- Rock Polish  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 168 Def / 252 SpA / 88 Spe  
Modest Nature  
- Geomancy  
- Moonblast  
- Thunder  
- Substitute  

Necrozma-Dusk-Mane @ Life Orb  
Ability: Prism Armor  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Sunsteel Strike  
- Earthquake  
- Stone Edge