Array of Revealing Light is a Field 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, Array of Revealing Light is Unlimited.
YGOPRODeck lists Array of Revealing Light for these formats: GOAT, OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Array of Revealing Light appears in Dark Beginning 2 (DB2-EN148) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Array of Revealing Light is about $0.28 on TCGPlayer (prices change frequently).
