- Metagross with Bullet Punch and Meteor Mash
- Dialga with Metal Claw and Iron Head
- Excadrill with Metal Claw and Iron Head
- Roserade with Poison Jab and Sludge Bomb
- Genesect with Metal Claw and Magnet Bomb
https://www.futuregamereleases.com/2021/08/pokemon-go-zacian-best-counters/