Reinforce Truth 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, Reinforce Truth is Unlimited.
YGOPRODeck lists Reinforce Truth for these formats: Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Reinforce Truth appears in Ancient Prophecy (ANPR-EN064) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Reinforce Truth is about $0.12 on Cardmarket (prices change frequently).
