Chansey @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Anchor Shot  
- Shore Up  
- Spikes  
- Heal Bell  

Shedinja @ Lum Berry  
Ability: Sturdy  
Level: 1  
EVs: 252 HP / 252 Atk / 252 SpA  
Brave Nature  
IVs: 0 Atk / 0 Def / 0 SpD / 0 Spe  
- Endeavor  
- Baton Pass  
- Recycle  
- Toxic Spikes  

Yveltal @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
IVs: 0 SpA  
- Defog  
- Pursuit  
- Recover  
- Knock Off 

Diancie-Mega @ Leftovers  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
- Boomburst  
- Rapid Spin  
- Extreme Speed  
- Diamond Storm / Precipice Blades

Gengar-Mega @ Life Orb  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moongeist Beam  
- Volt Switch  
- Sludge Wave / Sludge Bomb
- Ice Beam / Earth Power / Secret Sword

Dialga @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Core Enforcer  
- Doom Desire  
- U-turn  
- Spectral Thief / Revelation Dance / Rapid Spin