Giratina @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Toxic  
- Roar  
- Defog  
- Rest  

Shedinja @ Heavy-Duty Boots  
Ability: Wonder Guard  
EVs: 252 Atk / 252 Spe  
Adamant Nature  
- Shadow Sneak  
- Will-O-Wisp  
- Toxic  
- Baton Pass  

Zygarde @ Weakness Policy  
Ability: Power Construct  
EVs: 12 HP / 208 Atk / 48 SpD / 240 Spe  
Adamant Nature  
- Dragon Dance  
- Stone Edge  
- Thousand Arrows  
- Outrage  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 248 HP / 188 Def / 72 SpD  
Impish Nature  
- Sunsteel Strike  
- Stealth Rock  
- Knock Off  
- Morning Sun  

Mewtwo-Mega-Y @ Mewtwonite Y  
Ability: Unnerve  
EVs: 80 Def / 252 SpA / 176 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Ice Beam  
- Fire Blast  
- Psystrike  

Arceus-Dark @ Dread Plate  
Ability: Multitype  
EVs: 248 HP / 172 SpD / 88 Spe  
Calm Nature  
IVs: 0 Atk  
- Judgment  
- Recover  
- Refresh  
- Will-O-Wisp