Rayquaza-Mega @ Life Orb  
Ability: Mold Breaker  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Dragon Ascent  
- Extreme Evoboost  
- Clangorous Soulblaze  
- Stored Power  

Deoxys-Attack @ Focus Sash  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Spore  
- Spectral Thief  
- Sunsteel Strike  
- King's Shield  

Zygarde-Complete @ Leftovers  
Ability: Wonder Guard  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Recover  
- Extreme Evoboost  
- Sunsteel Strike  
- Rapid Spin  

Necrozma-Ultra @ Leftovers  
Ability: Shadow Shield  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Extreme Evoboost  
- Dragon Hammer  
- Sunsteel Strike  
- Recover  

Regigigas @ Leftovers  
Ability: Huge Power  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Return  
- Earthquake  
- Extreme Evoboost  
- Sunsteel Strike  

Chansey (F) @ Eviolite  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Baton Pass  
- Spectral Thief  
- Spikes  
- King's Shield