Nihilego @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Power Gem  
- Sludge Wave  
- Thunderbolt  
- Hidden Power [Ice]  

Dugtrio @ Groundium Z  
Ability: Arena Trap  
EVs: 252 Atk / 252 Spe  
Jolly Nature  
- Earthquake  
- Screech  
- Toxic  
- Substitute  

Magnezone @ Choice Scarf  
Ability: Magnet Pull  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 1 Atk  
- Hidden Power [Fire]  
- Thunderbolt  
- Volt Switch  
- Flash Cannon  

Suicune @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Scald  
- Rest  
- Sleep Talk  

Scizor-Mega @ Scizorite  
Ability: Technician  
EVs: 248 HP / 4 Atk / 252 SpD / 4 Spe  
Careful Nature  
- Defog  
- Roost  
- U-turn  
- Bullet Punch  

Hydreigon @ Leftovers  
Ability: Levitate  
EVs: 64 HP / 96 SpA / 160 SpD / 188 Spe  
Calm Nature  
- Earth Power  
- Dark Pulse  
- Roost  
- U-turn