Groudon @ Lum Berry  
Ability: Drought  
Shiny: Yes  
EVs: 140 HP / 252 Atk / 116 Spe  
Adamant Nature  
- Rock Polish  
- Swords Dance  
- Earthquake  
- Stone Edge  

Rayquaza @ Lum Berry  
Ability: Air Lock  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Scale Shot  
- Earthquake  
- Dragon Ascent  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Shiny: Yes  
EVs: 184 HP / 32 Def / 248 SpA / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Psyshock  
- Focus Blast  

Yveltal @ Black Glasses  
Ability: Dark Aura  
Shiny: Yes  
EVs: 252 HP / 216 Atk / 32 SpD / 8 Spe  
Adamant Nature  
- Knock Off  
- Sucker Punch  
- Roost  
- U-turn  

Necrozma-Dusk-Mane @ Life Orb  
Ability: Prism Armor  
Shiny: Yes  
EVs: 136 HP / 252 Atk / 120 Spe  
Adamant Nature  
- Dragon Dance  
- Sunsteel Strike  
- Stone Edge  
- Moonlight  

Grimmsnarl @ Light Clay  
Ability: Prankster  
Shiny: Yes  
EVs: 252 HP / 164 Def / 92 SpD  
Impish Nature  
- Play Rough  
- Light Screen  
- Reflect  
- Taunt