perfect uber stall

Giratina @ Leftovers
Ability: Pressure
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Toxic
- Rest
- Defog
- Shadow Ball

Slowbro-Mega @ Slowbronite
Ability: Shell Armor
EVs: 252 HP / 252 Def
Bold Nature
IVs: 0 Atk
- Iron Defense
- Foul Play
- Slack Off
- Toxic

Arceus-Fairy @ Pixie Plate
Ability: Multitype
EVs: 252 HP / 124 Def / 132 Spe
Bold Nature
IVs: 0 Atk
- Judgment
- Iron Defense
- Recover
- Toxic

Chansey @ Eviolite
Ability: Natural Cure
EVs: 248 HP / 125 Def / 127 SpD
Bold Nature
- Seismic Toss
- Stealth Rock
- Soft-Boiled
- Toxic

Necrozma-Dusk-Mane @ Life Orb
Ability: Prism Armor
EVs: 252 HP / 135 Atk / 121 SpD
Careful Nature
- Sunsteel Strike
- Photon Geyser
- Toxic
- Morning Sun

Yveltal @ Rocky Helmet
Ability: Dark Aura
EVs: 252 HP / 252 Def / 4 SpD
Impish Nature
IVs: 0 Atk
- Toxic
- Foul Play
- Defog
- Roost