Standard Xern + Pdon Semi

Xerneas @ Power Herb
Ability: Fairy Aura
Level: 50
EVs: 4 HP / 44 Def / 248 SpA / 12 SpD / 200 Spe
Timid Nature
IVs: 0 Atk / 30 SpA / 30 Spe
- Dazzling Gleam
- Geomancy
- Hidden Power [Fire]
- Protect

Salamence-Mega @ Salamencite
Ability: Intimidate
Level: 50
EVs: 4 HP / 252 Atk / 252 Spe
Adamant Nature
- Double-Edge
- Fire Blast
- Earthquake
- Protect

Smeargle @ Focus Sash
Ability: Moody
Level: 50
EVs: 244 HP / 4 Atk / 252 Def / 8 SpD
Impish Nature
IVs: 30 SpA / 30 SpD
- Dark Void
- Fake Out
- Spiky Shield
- Transform

Groudon-Primal @ Red Orb
Ability: Desolate Land
Level: 50
EVs: 252 HP / 252 SpA / 4 SpD
Quiet Nature
IVs: 0 Spe
- Earth Power
- Eruption
- Fire Punch
- Protect

Cresselia @ Sitrus Berry
Ability: Levitate
Level: 50
EVs: 252 HP / 156 Def / 100 SpD
Sassy Nature
IVs: 0 Spe
- Magic Coat
- Trick Room
- Ice Beam
- Moonlight

Crobat @ Lum Berry
Ability: Inner Focus
Level: 50
EVs: 244 HP / 12 SpD / 252 Spe
Timid Nature
- Tailwind
- Taunt
- Super Fang
- Quick Guard