Fairy Box is a Continuous 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, Fairy Box is Unlimited.
YGOPRODeck lists Fairy Box for these formats: GOAT, OCG GOAT, Common Charity, Edison, Speed Duel, TCG, OCG, Master Duel.
A listed print of Fairy Box appears in Dark Beginning 1 (DB1-EN227) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Fairy Box is about $0.10 on Cardmarket (prices change frequently).
