Blaziken-Mega @ Blazikenite  
Ability: Speed Boost  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Low Kick  
- Flare Blitz  
- Poison Jab  

Lugia @ Leftovers 
Ability: Multiscale  
EVs: 248 HP / 52 Def / 208 SpD  
Impish Nature  
- Curse  
- Recover  
- Zen Headbutt  
- Earthquake  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Stealth Rock  
- Precipice Blades  
- Overheat  
- Hidden Power [Ice]  

Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 SpD  
Sassy Nature  
- Toxic  
- Defog  
- Hex  
- Dragon Tail  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Heal Bell  
- Pain Split  
- Fleur Cannon  
- Heart Swap  

Shaymin-Sky @ Choice Scarf  
Ability: Serene Grace  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Air Slash  
- Seed Flare  
- Hidden Power [Fire]  
- Healing Wish