Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 248 HP / 236 Def / 24 Spe  
Impish Nature  
- Sunsteel Strike  
- Earthquake  
- Stealth Rock  
- Morning Sun  

Rayquaza-Mega @ Choice Band  
Ability: Delta Stream  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- V-create  
- Extreme Speed  
- Dragon Ascent  
- Earthquake  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 184 Def / 52 SpD / 24 Spe  
Impish Nature  
- Sacred Fire  
- Defog  
- Toxic  
- Whirlwind  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Judgment  
- Calm Mind  
- Refresh  
- Recover  

Dragapult @ Focus Sash  
Ability: Clear Body  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Dragon Darts  
- Will-O-Wisp  
- U-turn  
- Hex  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Eruption  
- Precipice Blades  
- Stone Edge  
- Hidden Power [Ice]