Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 40 HP / 212 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Hidden Power [Fire]  
- Earth Power  
- Stealth Rock  

Serperior @ Miracle Seed  
Ability: Contrary  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Synthesis  
- Hidden Power [Ground]  
- Taunt  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 248 HP / 92 Def / 152 SpD / 16 Spe  
Calm Nature  
IVs: 0 Atk  
- Moonblast  
- Nature's Madness  
- Defog  
- Taunt  

Cresselia (F) @ Eject Button  
Ability: Levitate  
EVs: 248 HP / 160 Def / 100 SpD  
Bold Nature  
IVs: 0 Atk  
- Thunder Wave  
- Ice Beam  
- Moonlight  
- Lunar Dance  

Volcarona @ Psychium Z  
Ability: Swarm  
EVs: 72 HP / 252 SpA / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Psychic  
- Bug Buzz  
- Flamethrower  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- U-turn  
- Earthquake  
- Explosion  
- Defog