Uxie @ Mental Herb  
Ability: Levitate  
EVs: 252 HP / 116 Def / 140 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Stealth Rock  
- Magic Coat  
- Memento  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpA  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Focus Blast  
- Fleur Cannon  
- Thunderbolt  
- Trick Room  

Steelix-Mega @ Steelixite  
Ability: Sand Force  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Heavy Slam  
- Earthquake  
- Fire Fang  
- Stone Edge  

Hippowdon (F) @ Life Orb  
Ability: Sand Stream  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Spe  
- Earthquake  
- Superpower  
- Stone Edge  
- Ice Fang  

Mimikyu @ Life Orb  
Ability: Disguise  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Spe  
- Shadow Claw  
- Play Rough  
- Swords Dance  
- Trick Room  

Hoopa-Unbound @ Life Orb  
Ability: Magician  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Spe  
- Hyperspace Fury  
- Gunk Shot  
- Fire Punch  
- Trick Room