The Eye of Truth 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, The Eye of Truth is Unlimited.
YGOPRODeck lists The Eye of Truth for these formats: GOAT, Speed Duel, OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of The Eye of Truth appears in Dark Beginning 1 (DB1-EN074) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for The Eye of Truth is about $0.02 on Cardmarket (prices change frequently).
