Ubers Zygarde Balance

Zygarde @ Leftovers
Ability: Power Construct
EVs: 208 HP / 252 Def / 48 Spe
Impish Nature
- Thousand Arrows
- Dragon Tail
- Coil
- Rest

Magearna @ Leftovers
Ability: Soul-Heart
EVs: 248 HP / 176 SpD / 84 Spe
Calm Nature
IVs: 0 Atk
- Fleur Cannon
- Flash Cannon
- Heart Swap
- Volt Switch

Gengar-Mega @ Gengarite
Ability: Shadow Tag
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Shadow Ball
- Sludge Wave
- Focus Blast
- Taunt

Yveltal @ Black Glasses
Ability: Dark Aura
EVs: 48 HP / 92 Def / 204 SpA / 164 Spe
Rash Nature
- Dark Pulse
- Sucker Punch
- Oblivion Wing
- U-turn

Arceus-Water @ Splash Plate
Ability: Multitype
EVs: 248 HP / 136 Def / 124 Spe
Bold Nature
IVs: 0 Atk
- Ice Beam
- Toxic
- Recover
- Defog

Groudon-Primal @ Red Orb
Ability: Desolate Land
EVs: 248 HP / 244 SpD / 16 Spe
Careful Nature
- Earthquake
- Roar
- Stealth Rock
- Toxic