Zamazenta-Crowned @ Focus Sash  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Court Change  
- Destiny Bond  
- Haze  

Xerneas @ Leftovers  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
- Quiver Dance  
- Moonblast  
- Earth Power  
- Nuzzle  

Necrozma-Dawn-Wings @ Choice Specs  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Astral Barrage  
- King's Shield  
- Secret Sword  
- Trick  

Reshiram @ Choice Scarf  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Core Enforcer  
- Blue Flare  
- King's Shield  
- Trick  

Regigigas @ Leftovers  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Facade  
- Spectral Thief  
- Spore  
- Dragon Dance  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Anchor Shot  
- Imprison  
- Transform  
- Strength Sap