Cursed Seal of the Forbidden Spell is a Counter Trap Card.
Trap Cards are normally Set first and can be activated on a later turn, often in response to an action.
On the current TCG and OCG Forbidden & Limited lists tracked here, Cursed Seal of the Forbidden Spell is Unlimited.
YGOPRODeck lists Cursed Seal of the Forbidden Spell for these formats: GOAT, OCG GOAT, Duel Links, Common Charity, Edison, Speed Duel, TCG, OCG, Master Duel.
A listed print of Cursed Seal of the Forbidden Spell appears in Astral Pack Six (AP06-EN028) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Cursed Seal of the Forbidden Spell is about $0.02 on Cardmarket (prices change frequently).
