Kyogre @ Mystic Water  
Ability: Primordial Sea  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Fishious Rend  
- Steam Eruption  
- Thunder  
- Strength Sap  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Liquid Ooze  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naughty Nature  
- Strength Sap  
- Sticky Web  
- Anchor Shot  
- Defog  

Eternatus @ Choice Specs  
Ability: Dragon's Maw  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dragon Energy  
- Sludge Wave  
- Core Enforcer  
- Volt Switch  

Zekrom @ Dragon Memory  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Multi-Attack  
- Bolt Beak  
- Shift Gear  
- Strength Sap  

Yveltal @ Heavy-Duty Boots  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Shore Up  
- Haze  
- Destiny Bond  
- U-turn  

Reshiram @ Dragon Memory  
Ability: Desolate Land  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Multi-Attack  
- Growth  
- V-create  
- Blue Flare