Omega HubOmega HubOmega HubMecha Phantom Beast O-Lion on every Yu-Gi-Oh! TCG Forbidden & Limited List: its status today, when it was banned and each change across all 83 lists.
No. Mecha Phantom Beast O-Lion is Unlimited on the current TCG list (October 2026), so you can play up to 3 copies.
Mecha Phantom Beast O-Lion first went Forbidden on the September 2020 list, from Sep 14, 2020.
Mecha Phantom Beast O-Lion was last on the December 2022 list, as Limited. It has been Unlimited since Feb 13, 2023.
TCG (Advanced Format) data from Yugipedia's Historic Forbidden/Limited Chart and each list's page. OCG lists are not included. Card names as printed in the TCG. Source: Yugipedia · Historic Forbidden/Limited Chart