Omega HubOmega HubOmega HubMermail Abyssgunde on every Yu-Gi-Oh! TCG Forbidden & Limited List: its status today, when it was banned and each change across all 83 lists.
No. Mermail Abyssgunde is Unlimited on the current TCG list (October 2026), so you can play up to 3 copies.
Mermail Abyssgunde has never been Forbidden in the TCG. It first went on the list in April 2014 (Apr 1, 2014), as Limited.
Mermail Abyssgunde was last on the October 2014 list, as Limited. It has been Unlimited since Jan 1, 2015.
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