Night Beam 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, Night Beam is Unlimited.
YGOPRODeck lists Night Beam for these formats: Speed Duel, Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Night Beam appears in 2-Player Starter Set (STAX-EN037) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Night Beam is about $0.08 on Cardmarket (prices change frequently).
