Magearna @ Choice Scarf  
Ability: Soul-Heart  
EVs: 32 HP / 224 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fleur Cannon  
- Ice Beam  
- Volt Switch  
- Heal Bell  

Tornadus-Therian (M) @ Flyinium Z  
Ability: Regenerator  
EVs: 128 HP / 136 Def / 28 SpA / 216 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog  

Chansey @ Eviolite  
Ability: Natural Cure  
EVs: 240 HP / 252 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Seismic Toss  
- Toxic  
- Wish  
- Soft-Boiled  

Slowbro @ Electrium Z  
Ability: Regenerator  
EVs: 248 HP / 172 Def / 88 SpA  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Psychic  
- Zap Cannon  
- Slack Off  

Swampert-Mega @ Swampertite  
Ability: Damp  
EVs: 248 HP / 8 Atk / 24 Def / 180 SpD / 48 Spe  
Careful Nature  
- Scald  
- Earthquake  
- Roar  
- Stealth Rock  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 188 HP / 68 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Hidden Power [Ice]  
- Taunt