Tangrowth @ Grassium Z  
Ability: Regenerator  
EVs: 244 HP / 252 Atk / 12 SpD  
Brave Nature  
IVs: 3 Spe  
- Swords Dance  
- Power Whip  
- Earthquake  
- Rock Slide  

Hatterene (F) @ Focus Sash  
Ability: Magic Bounce  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Trick Room  
- Healing Wish  
- Mystical Fire  
- Dazzling Gleam  

Victini @ Charcoal  
Ability: Victory Star  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Trick Room  
- V-create  
- Bolt Strike  
- Power-Up Punch  

Porygon2 @ Eviolite  
Ability: Trace  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Recover  
- Trick Room  
- Ice Beam  
- Teleport  

Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Double Iron Bash  
- Earthquake  
- Ice Punch  
- Thunder Punch  

Marowak @ Thick Club  
Ability: Battle Armor  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Swords Dance  
- Earthquake  
- Stone Edge  
- Fire Punch