Secret Pass to the Treasures is a Normal Spell Card.
Spell Cards are usually activated from the hand on your turn unless their type gives another timing window.
On the current TCG and OCG Forbidden & Limited lists tracked here, Secret Pass to the Treasures is Unlimited.
YGOPRODeck lists Secret Pass to the Treasures for these formats: GOAT, OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Secret Pass to the Treasures appears in Dark Beginning 2 (DB2-EN234) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Secret Pass to the Treasures is about $0.11 on Cardmarket (prices change frequently).
