Forbidden Scripture is a Quick-Play 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, Forbidden Scripture is Unlimited.
YGOPRODeck lists Forbidden Scripture for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Forbidden Scripture belongs to the Forbidden archetype—use that tag when searching for engine pieces and tech options.
A listed print of Forbidden Scripture appears in 2015 Mega-Tin Mega Pack (MP15-EN038) at Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Forbidden Scripture is about $0.26 on Cardmarket (prices change frequently).
