Deoxys-Speed @ Focus Sash  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Taunt  
- Magic Coat  
- Psycho Boost  

Necrozma-Dusk-Mane @ Ultranecrozium Z  
Ability: Prism Armor  
EVs: 252 HP / 252 Atk / 4 SpA  
Adamant Nature  
- Autotomize  
- Earthquake  
- Photon Geyser  
- Sunsteel Strike  

Yveltal @ Leftovers  
Ability: Dark Aura  
EVs: 252 HP / 212 SpD / 44 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Defog  
- Oblivion Wing  
- Taunt  

Groudon @ Red Orb  
Ability: Drought  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Precipice Blades  
- Rock Polish  
- Swords Dance  
- Fire Punch  

Marshadow @ Choice Band  
Ability: Technician  
EVs: 252 Atk / 144 Def / 112 Spe  
Jolly Nature  
- Shadow Sneak  
- Close Combat  
- Spectral Thief  
- Ice Punch  

Kyogre-Primal @ Blue Orb  
Ability: Primordial Sea  
EVs: 120 HP / 136 SpA / 252 SpD  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Toxic  
- Thunder