Like the title says. Instead of forming a new third party, we all just need to take over an existing third party that's already on the ballots. Like the Green Party.
If we, en masse, registered as Green Party and started running MAGA candidates, we'd be able to slide in past the ballot gatekeepers and get a jumpstart on taking control back from the uniparty.
Or we can just add Legalize Weed to our platform and draw them over to us.