Diancie-Mega @ Pixie Plate  
Ability: Mold Breaker  
EVs: 40 HP / 252 SpA / 216 Spe  
Modest Nature  
IVs: 0 Atk  
- Spore  
- Judgment  
- Steam Eruption  
- Shell Smash  

Giratina @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Soft-Boiled  
- Curse  
- Encore  
- Spore  

Rayquaza-Mega @ Choice Specs  
Ability: Gale Wings  
Shiny: Yes  
EVs: 252 Def / 252 SpA / 4 Spe  
Modest Nature  
IVs: 0 Atk  
- Chatter  
- Oblivion Wing  
- Switcheroo  
- Spikes  

Arceus-Ice @ Leftovers  
Ability: Wonder Guard  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Taunt  
- Chatter  
- Baton Pass  

Scizor-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Roost  
- Defog  
- Will-O-Wisp  
- U-turn  

Aegislash @ Leftovers  
Ability: Magic Bounce  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Curse  
- Milk Drink  
- Baton Pass