Yo, what is up Joey. I have a team I built Lund z regirock. I tested it and it seems to work well. Hope you enjoy. Make any changes you  fit.

Regirock @ Rockium Z
Ability: Sturdy
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Stone Edge
- Earthquake
- Drain Punch
- Rock Polish

Heracross @ Flame Orb
Ability: Guts
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Facade
- Knock Off
- Swords Dance

Bronzong @ Leftovers
Ability: Levitate
EVs: 252 HP / 4 Atk / 252 SpD
Careful Nature
- Heavy Slam
- Stealth Rock
- Toxic
- Earthquake

Donphan @ Assault Vest
Ability: Sturdy
EVs: 252 HP / 48 Atk / 164 Def / 24 SpD / 20 Spe
Impish Nature
- Rapid Spin
- Earthquake
- Knock Off
- Ice Shard

Swellow @ Choice Specs
Ability: Scrappy
EVs: 248 HP / 8 SpA / 252 Spe
Timid Nature
- Boomburst
- U-turn
- Heat Wave
- Air Slash

Froslass @ Focus Sash
Ability: Cursed Body
EVs: 248 HP / 8 SpA / 252 Spe
Timid Nature
IVs: 0 Atk
- Spikes
- Destiny Bond
- Will-O-Wisp
- Hex