Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 244 HP / 12 Def / 252 Spe  
Jolly Nature  
- Substitute  
- Stealth Rock  
- Diamond Storm  
- Endeavor  

Serperior (M) @ Rocky Helmet  
Ability: Contrary  
EVs: 216 HP / 40 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Taunt  
- Leaf Storm  
- Glare  
- Defog  

Cresselia (F) @ Icium Z  
Ability: Levitate  
EVs: 252 HP / 60 Def / 24 SpA / 88 SpD / 84 Spe  
Bold Nature  
IVs: 0 Atk  
- Thunder Wave  
- Ice Beam  
- Moonlight  
- Lunar Dance  

Suicune @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 24 SpD / 232 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Calm Mind  
- Scald  
- Protect  

Volcarona (M) @ Leftovers  
Ability: Swarm  
EVs: 104 HP / 12 Def / 252 SpA / 140 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Quiver Dance  
- Flamethrower  
- Bug Buzz  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 8 Def / 136 SpA / 112 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Calm Mind  
- Fleur Cannon  
- Thunderbolt