Ho-Oh @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 204 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Recover  
- Toxic  
- Brave Bird  

Zygarde-Complete @ Groundium Z  
Ability: Power Construct  
EVs: 252 Atk / 100 Def / 156 Spe  
Adamant Nature  
IVs: 30 HP  
- Dragon Dance  
- Thousand Arrows  
- Substitute  
- Glare  

Groudon @ Red Orb  
Ability: Drought  
EVs: 252 HP / 56 Def / 200 SpD  
Relaxed Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Roar  

Arceus-Fairy @ Pixie Plate  
Ability: Multitype  
EVs: 252 HP / 64 Def / 192 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Defog  
- Earth Power  

Gengar @ Gengarite  
Ability: Cursed Body  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Taunt  
- Hex  
- Sludge Wave  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 36 HP / 252 Atk / 220 Spe  
Adamant Nature  
- Autotomize  
- Photon Geyser  
- Earthquake  
- Sunsteel Strike