Magearna @ Leftovers  
Ability: Levitate  
EVs: 252 HP / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Shift Gear  
- Calm Mind  
- Stored Power  
- Draining Kiss  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Stealth Rock  
- Morning Sun  
- Sunsteel Strike  
- Knock Off  

Yveltal @ Assault Vest  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Sassy Nature  
- Knock Off  
- Rock Slide  
- U-turn  
- Sucker Punch  

Ho-Oh @ Heavy-Duty Boots  
Ability: Magic Bounce  
EVs: 248 HP / 4 Atk / 252 SpD  
Careful Nature  
- Sacred Fire  
- Defog  
- Dual Wingbeat  
- Recover  

Kyogre @ Choice Scarf  
Ability: Primordial Sea  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Thunder  
- Ice Beam  

Eternatus @ Black Sludge  
Ability: Magic Bounce  
EVs: 252 HP / 4 Atk / 208 SpD / 44 Spe  
Gentle Nature  
- Dynamax Cannon  
- Toxic Spikes  
- Recover  
- Dragon Tail