Calyrex-Shadow @ Leftovers  
Ability: As One (Spectrier)  
EVs: 60 Def / 196 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Nasty Plot  
- Substitute  
- Leech Seed  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 40 HP / 252 SpD / 216 Spe  
Timid Nature  
IVs: 0 Atk  
- Dragon Pulse  
- Meteor Beam  
- Cosmic Power  
- Recover  

Xerneas @ Air Balloon  
Ability: Fairy Aura  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Rest  
- Sleep Talk  
- Aromatherapy  

Groudon @ Leftovers  
Ability: Drought  
EVs: 252 HP / 232 Def / 24 Spe  
Impish Nature  
- Precipice Blades  
- Stone Edge  
- Stealth Rock  
- Toxic  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
IVs: 0 Spe  
- Leech Seed  
- Spikes  
- Knock Off  
- Gyro Ball  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 72 Def / 188 SpD  
Careful Nature  
- Knock Off  
- U-turn  
- Defog  
- Roost