I made this about a week ago

SHAAAARRR! (Musharna) @ Colbur Berry
Ability: Synchronize
EVs: 248 HP / 252 Def / 8 SpD
Relaxed Nature
IVs: 0 Spe
- Trick Room
- Healing Wish
- Moonlight
- Psychic

Seviper @ Life Orb
Ability: Infiltrator
Shiny: Yes
EVs: 252 HP / 4 Atk / 252 SpA
Quiet Nature
IVs: 0 Spe
- Sucker Punch
- Sludge Wave
- Flamethrower
- Giga Drain

Steelix @ Life Orb
Ability: Sheer Force
Shiny: Yes
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Earthquake
- Iron Head
- Ice Fang
- Rock Slide

Audino @ Leftovers
Ability: Regenerator
EVs: 252 HP / 4 Atk / 252 SpD
Sassy Nature
IVs: 0 Spe
- Trick Room
- Wish
- Heal Bell
- Knock Off

Mantine @ Leftovers
Ability: Water Absorb
EVs: 248 HP / 60 Def / 200 SpD
Sassy Nature
IVs: 0 Spe
- Defog
- Scald
- Air Slash
- Haze

Regirock @ Weakness Policy
Ability: Clear Body
EVs: 252 HP / 252 Atk / 4 SpD
Brave Nature
IVs: 0 Spe
- Hammer Arm
- Rock Slide
- Earthquake
- Fire Punch