Future Glow is a Continuous 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, Future Glow is Unlimited.
YGOPRODeck lists Future Glow for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Future Glow appears in Generation Force (GENF-EN056) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Future Glow is about $0.03 on Cardmarket (prices change frequently).
