Dugtrio @ Choice Band  
Ability: Arena Trap  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Stone Edge  
- Sucker Punch  
- Stealth Rock  

Cloyster @ King's Rock  
Ability: Skill Link  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Icicle Spear  
- Shell Smash  
- Rock Blast  
- Liquidation  

Calyrex-Shadow @ Leftovers  
Ability: As One (Spectrier)  
EVs: 52 Def / 204 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Substitute  
- Astral Barrage  
- Leech Seed  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 48 HP / 120 Def / 252 SpA / 88 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Aromatherapy  

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

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 48 HP / 208 Atk / 252 Spe  
Jolly Nature  
- Knock Off  
- Sucker Punch  
- Taunt  
- Roost