Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- Knock Off  
- Roost  
- Sucker Punch  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Dynamax Cannon  
- Flamethrower  
- Recover  

Calyrex-Shadow @ Leftovers  
Ability: As One (Spectrier)  
EVs: 120 Def / 136 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Leech Seed  
- Substitute  
- Nasty Plot  

Groudon @ Leftovers  
Ability: Drought  
EVs: 168 HP / 216 Atk / 8 SpD / 116 Spe  
Adamant Nature  
- Rock Polish  
- Stealth Rock  
- Precipice Blades  
- Stone Edge  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 48 HP / 164 Def / 252 SpA / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Focus Blast  
- Moonblast  
- Substitute  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 96 Atk / 96 Def / 48 SpD / 16 Spe  
Adamant Nature  
- Thunder Wave  
- Brave Bird  
- Sacred Fire  
- Whirlwind