Xeoswift 17 ubers

Xerneas @ Power Herb
Ability: Fairy Aura
EVs: 248 HP / 252 SpA / 8 SpD
Modest Nature
IVs: 0 Atk
- Moonblast
- Geomancy
- Thunderbolt
- Focus Blast

Arceus @ Silk Scarf
Ability: Multitype
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Extreme Speed
- Brick Break
- Shadow Claw
- Swords Dance

Wobbuffet @ Leftovers
Ability: Shadow Tag
Shiny: Yes
EVs: 224 HP / 32 Def / 252 SpD
Calm Nature
- Encore
- Counter
- Mirror Coat
- Safeguard

Groudon @ Red Orb
Ability: Drought
EVs: 248 HP / 8 Def / 252 SpD
Careful Nature
IVs: 0 Atk
- Stealth Rock
- Thunder Wave
- Roar
- Lava Plume

Darkrai @ Life Orb
Ability: Bad Dreams
Shiny: Yes
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Hypnosis
- Dark Pulse
- Nasty Plot
- Thunderbolt

Giratina-Origin @ Griseous Orb
Ability: Levitate
EVs: 248 HP / 8 SpA / 252 SpD
Calm Nature
IVs: 0 Atk
- Will-O-Wisp
- Roar
- Shadow Ball
- Defog