Raigeki 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, Raigeki is Unlimited.
YGOPRODeck lists Raigeki for these formats: GOAT, OCG GOAT, Duel Links, Edison, Common Charity, TCG, OCG, Master Duel.
A listed print of Raigeki appears in 2019 Gold Sarcophagus Tin (TN19-EN010) at Prismatic Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Raigeki is about $0.20 on Cardmarket (prices change frequently).
