Canva frequently audits "team" memberships; if you're found in a fraudulent group, you could lose access to all your saved designs. Final Verdict
Disclaimer: This paper is for educational and analytical purposes only. It does not endorse or encourage the use of unauthorized methods to access software services. canva pro free link
The short answer is: Canva is a publicly traded company (Canva Inc.) with a sophisticated cloud-based security system. They do not leave a backdoor open for a simple URL to grant lifetime premium access. Canva frequently audits "team" memberships; if you're found