Ho-Oh @ Leftovers  
Ability: Contrary  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- V-create  
- Shore Up  
- Sunsteel Strike  

Aegislash-Blade (M) @ Life Orb  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Sunsteel Strike  
- Spectral Thief  
- Spore  
- Shift Gear  

Tapu Koko @ Focus Sash  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Volt Tackle  
- Light of Ruin  
- Moongeist Beam  
- Shell Smash  

Hoopa-Unbound @ Focus Sash  
Ability: Queenly Majesty  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Close Combat  
- Stored Power  
- Shell Smash  
- Power Trip  

Dialga @ Safety Goggles  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
- Core Enforcer  
- U-turn  
- Strength Sap  
- Defog  

Gyarados-Mega @ Rocky Helmet  
Ability: Unaware  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Darkest Lariat  
- Strength Sap  
- Rapid Spin  
- Spectral Thief