Dragon Shrine 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, Dragon Shrine is Unlimited.
YGOPRODeck lists Dragon Shrine for these formats: Duel Links, Common Charity, Speed Duel, TCG, OCG, Master Duel.
A listed print of Dragon Shrine appears in Duelist Pack: Rivals of the Pharaoh (DPRP-EN029) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Dragon Shrine is about $0.19 on TCGPlayer (prices change frequently).
