Pheromosa @ Life Orb  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- U-turn  
- Ice Beam  
- Low Kick  
- Poison Jab  

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

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 HP / 124 SpD / 132 Spe  
Careful Nature  
- Stealth Rock  
- Precipice Blades  
- Rock Tomb  
- Toxic  

Gengar-Mega @ Gengarite  
Ability: Shadow Tag  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shadow Ball  
- Sludge Wave  
- Taunt  
- Destiny Bond  

Kyogre-Primal @ Blue Orb  
Ability: Drizzle  
EVs: 32 HP / 124 Def / 200 SpA / 152 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Origin Pulse  
- Ice Beam  
- Thunder  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Photon Geyser  
- Stone Edge  
- Sunsteel Strike