Actually, I found Obi's stall team. (Go Google!) I'm pretty sure this is it:
Hippowdon @ Leftovers ***
Ability: Sand Stream
EVs: 252 HP / 24 Atk / 192 Def / 40 SpDef
Impish nature (+Def, -SpAtk)
- Stealth Rock
- Slack Off
- Earthquake
- Ice Fang
Skarmory @ Shed Shell ***
Ability: Keen Eye
EVs: 252 HP / 16 Atk / 200 Def / 40 SpDef
Impish nature (+Def, -SpAtk)
- Whirlwind
- Spikes
- Roost
- Brave Bird
Tentacruel @ Leftovers ***
Ability: Liquid Ooze
EVs: 252 HP / 120 Def / 136 SpDef
Calm nature (+SpDef, -Atk)
- Toxic Spikes
- Rapid Spin
- Surf
- Hidden Power [Electric]
Blissey @ Leftovers ***
Ability: Natural Cure
EVs: 252 Def / 40 SpAtk / 216 SpDef
Calm nature (+SpDef, -Atk)
- Wish
- Protect
- Flamethrower
- Toxic
Celebi @ Leftovers ***
Ability: Natural Cure
EVs: 252 HP / 216 Def / 8 SpDef / 32 Spd
Bold nature (+Def, -Atk)
- Recover
- Perish Song
- Grass Knot
- U-turn
Spiritomb @ Leftovers ***
Ability: Pressure
EVs: 252 HP / 100 Def / 156 SpDef
Calm nature (+SpDef, -Atk)
- Shadow Ball
- Rest
- Sleep Talk
- Hidden Power [Fighting]