Jirachi @ Choice Specs  
Ability: Serene Grace  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Icy Wind  
- Thunder  
- Hidden Power [Fire]  

Zygarde @ Iapapa Berry  
Ability: Aura Break  
EVs: 188 HP / 140 Atk / 180 Spe  
Adamant Nature  
- Substitute  
- Dragon Dance  
- Thousand Arrows  
- Extreme Speed  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Fleur Cannon  
- Iron Head  
- Ice Beam  
- Volt Switch  

Heatran @ Firium Z  
Ability: Flash Fire  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Will-O-Wisp  
- Taunt  

Landorus-Therian @ Choice Scarf  
Ability: Intimidate  
EVs: 252 HP / 72 Def / 184 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Hidden Power [Ice]  
- Stealth Rock  

Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Psychic  
- Surf  
- Recover  
- Defog