Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 248 HP / 248 Def / 12 Spe  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Ice Beam  
- Rest  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Sunsteel Strike  
- Toxic  
- Stealth Rock  
- Moonlight  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Leech Seed  
- Spikes  
- Knock Off  
- Protect  

Zygarde-Complete @ Leftovers  
Ability: Power Construct  
EVs: 16 HP / 224 Atk / 36 Def / 232 Spe  
Impish Nature  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Dragon Tail  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Sacred Fire  
- Toxic  
- Defog  
- Protect  

Arceus-Ground @ Earth Plate  
Ability: Multitype  
EVs: 248 HP / 220 Def / 36 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Judgment  
- Recover  
- Refresh