Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Moonblast  
- Diamond Storm  
- Earth Power  
- Stealth Rock  

Tapu Fini @ Choice Specs  
Ability: Misty Surge  
EVs: 176 HP / 80 SpA / 244 Spe  
Modest Nature  
- Hydro Pump  
- Moonblast  
- Trick  
- Knock Off  

Magnezone @ Electrium Z  
Ability: Magnet Pull  
EVs: 132 Def / 252 SpA / 124 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunderbolt  
- Flash Cannon  
- Hidden Power [Fire]  
- Substitute  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 244 SpD / 20 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Roost  
- Defog  

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 168 Def / 88 SpD  
Relaxed Nature  
- Giga Drain  
- Rock Slide  
- Hidden Power [Fire]  
- Stun Spore  

Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 248 HP / 40 Atk / 220 Spe  
Jolly Nature  
- Iron Head  
- U-turn  
- Healing Wish  
- Trick