Curse of the Circle is a Normal 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, Curse of the Circle is Unlimited.
YGOPRODeck lists Curse of the Circle for these formats: Duel Links, TCG, OCG, Master Duel.
A listed print of Curse of the Circle appears in Generation Force (GENF-EN076) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Curse of the Circle is about $0.10 on Cardmarket (prices change frequently).
