Aerodactyl-Mega @ Aerodactylite
Ability: Tough Claws
IVs: 0 Atk

Nihilego
Ability: Beast Boost
EVs: 252 SpA / 4 SpD / 252 Spe
Bold Nature
IVs: 0 Atk

Altaria-Mega @ Altarianite
Ability: Pixilate
IVs: 0 Atk

Sylveon
Ability: Cute Charm
IVs: 0 Atk

Terrakion
Ability: Justified

Beedrill-Mega @ Beedrillite
Ability: Adaptability
EVs: 252 Atk
IVs: 0 Atk

Latias
Ability: Levitate
IVs: 0 Atk

Celebi
Ability: Natural Cure
Shiny: Yes
IVs: 0 Atk

Togekiss
Ability: Hustle