Calyrex-Shadow @ Choice Specs  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Grass Knot  
- Astral Barrage  
- Psystrike  
- Ice Beam  

Zacian @ Choice Band  
Ability: Intrepid Sword  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Play Rough  
- Wild Charge  
- Close Combat  
- Crunch  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Encore  
- Glare  
- Recover  
- Whirlwind  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
- Fire Lash  
- Toxic  
- Roost  
- Defog  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 72 HP / 252 SpD / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Recover  
- Core Enforcer  
- Toxic Spikes  
- Flamethrower  

Umbreon @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Recover  
- Knock Off  
- Parting Shot  
- Heal Bell