Ordeal of a Traveler 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, Ordeal of a Traveler is Unlimited.
YGOPRODeck lists Ordeal of a Traveler for these formats: GOAT, OCG GOAT, Common Charity, Edison, Speed Duel, TCG, OCG, Master Duel.
A listed print of Ordeal of a Traveler appears in Dark Beginning 2 (DB-EN59) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Ordeal of a Traveler is about $0.14 on TCGPlayer (prices change frequently).
