Omega HubOmega HubOmega HubHieratic Seal of Convocation on every Yu-Gi-Oh! TCG Forbidden & Limited List: its status today, when it was banned and each change across all 83 lists.
No. Hieratic Seal of Convocation is Unlimited on the current TCG list (October 2026), so you can play up to 3 copies.
Hieratic Seal of Convocation has never been Forbidden in the TCG. It first went on the list in September 2012 (Sep 1, 2012), as Semi-Limited.
Hieratic Seal of Convocation was last on the January 2015 list, as Semi-Limited. It has been Unlimited since Apr 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