Sylveon @ Choice Specs
Ability: Pixilate
EVs: 52 HP / 204 Def / 240 SpA / 12 Spe

Landorus-Therian @ Assault Vest
Ability: Intimidate
EVs: 164 HP / 172 Atk / 4 Def / 76 SpD / 92 Spe

Thundurus @ Sitrus Berry
Ability: Prankster
EVs: 252 HP / 128 Def / 92 SpD / 36 Spe

Entei @ Chesto Berry
Ability: Pressure
EVs: 100 HP / 148 Atk / 68 Def / 4 SpD / 188 Spe