Stall Uber/AG

Arceus-Dark @ Dread Plate
(or steelarceus, with some spd evs)
Ability: Multitype
EVs: 252 HP / 252 Def
Bold Nature
IVs: 0 Atk
- Stealth Rock
- Perish Song
- Recover
- Judgment

Sableye-Mega @ Sablenite
Ability: Magic Bounce
EVs: 252 HP / 252 Def
Impish Nature
- Fake Out
- Recover
- Toxic
- Foul Play

Giratina @ Leftovers
Ability: Pressure
EVs: 252 HP / 200 Def / 52 SpD
Bold Nature
IVs: 0 Atk
- Defog
- Rest
- Toxic
- Will-O-Wisp

Blissey @ Shed Shell
Ability: Natural Cure
EVs: 252 HP / 252 SpD
Calm Nature
IVs: 0 Atk
- Confide
- Aromatherapy
- Soft-Boiled
- Toxic

Ho-Oh @ Shed Shell
(or leftovers oh oh with Brave >Bird)
Ability: Regenerator
EVs: 252 HP / 200 Def / 56 SpD
Impish Nature
- Sacred Fire
- Recover
- Toxic
- Defog

Lugia @ Leftovers
Ability: Multiscale
EVs: 252 HP / 252 Def
Impish Nature
IVs: 0 Atk
- Whirlwind
- Substitute
- Roost
- Toxic