Cryogenic Rose (Yveltal) @ Terrain Extender  
Ability: Psychic Surge  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Spikes  
- Strength Sap  
- Knock Off  
- Teleport  

Midnight Moon (Lunala) @ Psychic Seed  
Ability: Unburden  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Psystrike  
- Moongeist Beam  
- Secret Sword  
- Nasty Plot  

Lost Lullaby (Alakazam-Mega) @ Choice Specs  
Ability: Beads of Ruin  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Volt Switch  
- Fleur Cannon  
- Armor Cannon  
- Expanding Force  

Stardust Dreams (Diancie-Mega) @ Throat Spray  
Ability: Unburden  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Torch Song  
- Steam Eruption  
- Destiny Bond  
- Moonblast  

Primal Sun (Groudon-Primal) @ Psychic Seed  
Ability: Unburden  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Bitter Blade  
- Glacial Lance  
- Headlong Rush  
- Swords Dance  

New Nightmares (Arceus-Ghost) @ Psychic Seed  
Ability: Good as Gold  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Poltergeist  
- Jungle Healing  
- Victory Dance  
- Triple Arrows