Giratina @ Lagging Tail  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Core Enforcer  
- Spikes  
- Shore Up  
- Haze  

Magearna @ Metronome  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Anchor Shot  
- Rapid Spin  
- Boomburst  
- Shore Up  

Ho-Oh @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Anchor Shot  
- Spectral Thief  
- Shore Up  
- Knock Off  

Chansey @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Glare  
- Topsy-Turvy  
- Shore Up  
- U-turn  

Shedinja @ Protective Pads  
Ability: Sturdy  
EVs: 252 HP / 252 Atk  
Brave Nature  
IVs: 0 Def / 0 SpA / 0 SpD / 0 Spe  
- Endeavor  
- U-turn  
- Extreme Speed  
- Stealth Rock  

Mewtwo-Mega-Y @ Life Orb  
Ability: Sheer Force  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Psychic  
- Bolt Strike  
- Ice Beam  
- Earth Power