Diancie-Mega @ Diancite  
Ability: Clear Body  
EVs: 248 HP / 144 SpA / 104 SpD / 12 Spe  
Modest Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Rest  
- Protect  

Tentacruel @ Black Sludge  
Ability: Liquid Ooze  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Protect  
- Rapid Spin  
- Scald  

Lugia @ Leftovers  
Ability: Multiscale  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Ice Beam  
- Whirlwind  
- Roost  

Giratina @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
IVs: 30 Spe  
- Toxic  
- Defog  
- Dragon Tail  
- Rest  

Blissey (F) @ Shed Shell  
Ability: Natural Cure  
EVs: 4 HP / 252 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Soft-Boiled  
- Confide  
- Toxic  
- Heal Bell  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 248 HP / 240 Def / 20 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Will-O-Wisp  
- Perish Song  
- Recover