Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 100 HP / 252 SpA / 156 Spe  
Modest Nature  
IVs: 0 Atk  
- Rock Polish  
- Fire Blast  
- Earth Power  
- Hidden Power [Ice]  

Wobbuffet @ Leftovers  
Ability: Shadow Tag  
EVs: 204 HP / 52 Def / 252 SpD  
Careful Nature  
IVs: 0 Atk  
- Encore  
- Mirror Coat  
- Counter  
- Safeguard  

Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Light Screen  
- Reflect  
- Taunt  

Rayquaza @ Flyinium Z  
Ability: Air Lock  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Dragon Dance  
- Dragon Ascent  
- V-create  
- Draco Meteor  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 36 HP / 252 Atk / 220 Spe  
Adamant Nature  
- Swords Dance  
- Earthquake  
- Sunsteel Strike  
- Rock Polish  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 72 HP / 252 SpA / 100 SpD / 84 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Focus Blast