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

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

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 240 HP / 252 SpD / 16 Spe  
Timid Nature  
- Toxic  
- Recover  
- Flamethrower  
- Dynamax Cannon  

Groudon @ Leftovers  
Ability: Drought  
EVs: 240 HP / 252 Atk / 16 Spe  
Adamant Nature  
- Stone Edge  
- Thunder Wave  
- Swords Dance  
- Precipice Blades  

Kyogre @ Choice Specs  
Ability: Drizzle  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
- Thunder  
- Ice Beam  
- Water Spout  
- Origin Pulse

Calyrex-Shadow @ Choice Scarf  
Ability: As One (Spectrier)  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
- Trick  
- Psyshock  
- Grass Knot  
- Astral Barrage