Landorus-Therian (M) @ Life Orb  
Ability: Intimidate  
EVs: 192 Atk / 28 Def / 36 SpA / 252 Spe  
Naive Nature  
- Stealth Rock  
- Earthquake  
- Hidden Power [Ice]  
- Explosion  

Magearna @ Fairium Z  
Ability: Soul-Heart  
EVs: 252 HP / 72 Def / 184 SpA  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Fleur Cannon  
- Thunderbolt  
- Focus Blast  

Tapu Fini @ Wiki Berry  
Ability: Misty Surge  
EVs: 248 HP / 92 Def / 112 SpA / 56 Spe  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Surf  
- Moonblast  
- Defog  

Medicham-Mega @ Medichamite  
Ability: Pure Power  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Fake Out  
- High Jump Kick  
- Ice Punch  
- Zen Headbutt  

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Smart Strike  
- Sacred Sword  
- Leaf Blade  
- Knock Off  

Victini @ Choice Scarf  
Ability: Victory Star  
EVs: 248 HP / 112 Atk / 148 Spe  
Jolly Nature  
- V-create  
- U-turn  
- Bolt Strike  
- Final Gambit