Buzzwole @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 248 Def / 8 SpD  
Impish Nature  
- Hammer Arm  
- Toxic  
- Roost  
- Ice Punch  

Arceus-Rock @ Stone Plate  
Ability: Multitype  
EVs: 252 HP / 16 Def / 144 SpA / 96 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Recover  
- Will-O-Wisp  
- Judgment  

Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 76 Def / 4 SpD / 176 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Recover  
- Grass Knot  
- Healing Wish  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Heart Swap  
- Fleur Cannon  
- Volt Switch  
- Heal Bell  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 4 Atk / 252 SpA / 252 Spe  
Mild Nature  
- Dark Pulse  
- Oblivion Wing  
- Taunt  
- Sucker Punch  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 252 Atk / 96 SpD / 160 Spe  
Adamant Nature  
- Swords Dance  
- Rock Polish  
- Precipice Blades  
- Stone Edge