Rayquaza-Mega @ Life Orb  
Ability: Air Lock  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Dragon Ascent  
- Outrage  
- V-create  
- Extreme Speed  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Morning Sun  
- Stealth Rock  
- Toxic  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 26 HP / 252 Atk / 230 Spe  
Adamant Nature  
- Precipice Blades  
- Heat Crash  
- Swords Dance  
- Rock Polish  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Thunder  
- Calm Mind  

Xerneas @ Power Herb  
Ability: Fairy Aura  
Shiny: Yes  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Thunder  
- Hidden Power [Fire]  
- Geomancy  

Yveltal @ Life Orb  
Ability: Dark Aura  
Shiny: Yes  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Pulse  
- Focus Blast  
- Oblivion Wing  
- Heat Wave