Just look for any VPNs that are advertised specifically for China, Russia, or Iran. These are the cutting edge tech, they may not be so privacy-friendly as Mullvad, but they will certainly work.
1. They are in most cases run by national spy agencies.
2. They will at least appear to work, i.e., they will provide you with access to websites that are blocked by the country you are in. Depending on which country's spies run the system, they may actually work in the sense of hiding your traffic from that country's spies, or they may mark you as a specific target and save all your traffic for later analysis.
My inclination is to prefer free (open-source) software that isn't controlled by a company which can use that control against its users.
To be a little trite: we all agree that chickens like grain, but it does not follow that a majority of grain producers are secretly controlled by a cabal of poultry.