Genesect's Party

Latias (F) @ Soul Dew
Trait: Levitate
EVs: 252 HP / 48 SDef / 208 Spd
Calm Nature (+SDef, -Atk)
- Calm Mind
- Dragon Pulse
- Recover
- Refresh

Genesect @ Choice Scarf
Trait: Download
EVs: 28 Atk / 252 SAtk / 228 Spd
Naive Nature (+Spd, -SDef)
- U-turn
- Thunderbolt
- Ice Beam
- Flamethrower

Arceus-Ghost @ Spooky Plate
Trait: Multitype
EVs: 252 HP / 4 Def / 252 Spd
Timid Nature (+Spd, -Atk)
- Will-O-Wisp
- Judgment
- Focus Blast
- Recover

Xatu (M) @ Leftovers
Trait: Magic Bounce
EVs: 252 HP / 252 Def / 4 SDef
Impish Nature (+Def, -SAtk)
- Toxic
- Roost
- Night Shade
- U-turn

Groudon @ Leftovers
Trait: Drought
EVs: 252 HP / 8 Atk / 248 Def
Impish Nature (+Def, -SAtk)
- Stealth Rock
- Earthquake
- Roar
- Stone Edge

Chansey (F) @ Eviolite
Trait: Natural Cure
EVs: 4 HP / 252 Def / 244 SDef / 8 Spd
Bold Nature (+Def, -Atk)
- Softboiled
- Wish
- Toxic
- Seismic Toss