Calyrex-Ice @ Life Orb  
Ability: As One (Glastrier)  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Trick Room  
- Glacial Lance  
- High Horsepower  
- Zen Headbutt  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 80 Atk / 176 Def  
Relaxed Nature  
IVs: 0 Spe  
- Morning Sun  
- Sunsteel Strike  
- Earthquake  
- Stealth Rock  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Recover  
- Dynamax Cannon  
- Mystical Fire  
- Toxic  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 8 Atk / 248 SpD  
Sassy Nature  
- Defog  
- Knock Off  
- Roost  
- U-turn  

Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Thunder  
- Ice Beam  
- Origin Pulse  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Geomancy  
- Draining Kiss  
- Thunder  
- Aromatherapy