I haven't lost with this team yet, but I've come close, and I know it can be improved.
Snorlax (M) @ Leftovers
Trait: Thick Fat
EVs: 87 HP / 113 Atk / 151 Def / 159 SDef
Sassy Nature (+SDef, -Spd)
- Curse
- Rest
- Return
- Shadow Ball
Curselax.
Crobat (M) @ Poison Barb
Trait: Inner Focus
EVs: 8 HP / 251 Atk / 251 Spd
Adamant Nature (+Atk, -SAtk)
- Aerial Ace
- Haze
- Sludge Bomb
- Steel Wing
Phys. Sweep/Hazer
Tyranitar (M) @ Leftovers
Trait: Sand Stream
EVs: 150 Atk / 150 Def / 105 SAtk / 105 SDef
Brave Nature (+Atk, -Spd)
- Crunch
- Earthquake
- Rock Slide
- Thunder Wave
Phys. Sweep
Starmie @ Leftovers
Trait: Illuminate
EVs: 85 HP / 85 Atk / 85 Def / 85 Spd / 85 SAtk / 85 SDef
Hardy Nature (Neutral)
- Ice Beam
- Psychic
- Rapid Spin
- Thunderbolt
Sweep/Spike Counter, Forgot to do ev's, but 252 speed, 252 sp. atk, 6. sp.def, and modest nature.
Gengar (M) @ Leftovers
Trait: Levitate
EVs: 6 HP/ 252 Sp. Atk./ 252 Speed
Modest Nature
- Shadow Ball
- Thunderbolt
- Torment
- Will-O-Wisp
Burn/Torment/Sweep
Aggron (M) @ Leftovers
Trait: Sturdy
EVs: 255 HP / 255 Def
Hardy Nature (Neutral)
- Iron Tail
- Rest
- Taunt
- Toxic
Def tank.
Snorlax (M) @ Leftovers
Trait: Thick Fat
EVs: 87 HP / 113 Atk / 151 Def / 159 SDef
Sassy Nature (+SDef, -Spd)
- Curse
- Rest
- Return
- Shadow Ball
Curselax.
Crobat (M) @ Poison Barb
Trait: Inner Focus
EVs: 8 HP / 251 Atk / 251 Spd
Adamant Nature (+Atk, -SAtk)
- Aerial Ace
- Haze
- Sludge Bomb
- Steel Wing
Phys. Sweep/Hazer
Tyranitar (M) @ Leftovers
Trait: Sand Stream
EVs: 150 Atk / 150 Def / 105 SAtk / 105 SDef
Brave Nature (+Atk, -Spd)
- Crunch
- Earthquake
- Rock Slide
- Thunder Wave
Phys. Sweep
Starmie @ Leftovers
Trait: Illuminate
EVs: 85 HP / 85 Atk / 85 Def / 85 Spd / 85 SAtk / 85 SDef
Hardy Nature (Neutral)
- Ice Beam
- Psychic
- Rapid Spin
- Thunderbolt
Sweep/Spike Counter, Forgot to do ev's, but 252 speed, 252 sp. atk, 6. sp.def, and modest nature.
Gengar (M) @ Leftovers
Trait: Levitate
EVs: 6 HP/ 252 Sp. Atk./ 252 Speed
Modest Nature
- Shadow Ball
- Thunderbolt
- Torment
- Will-O-Wisp
Burn/Torment/Sweep
Aggron (M) @ Leftovers
Trait: Sturdy
EVs: 255 HP / 255 Def
Hardy Nature (Neutral)
- Iron Tail
- Rest
- Taunt
- Toxic
Def tank.