Fissure 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, Fissure is Unlimited.
YGOPRODeck lists Fissure for these formats: GOAT, OCG GOAT, Duel Links, Common Charity, Edison, Speed Duel, TCG, OCG, Master Duel.
A listed print of Fissure appears in 2-Player Starter Set (STAS-EN022) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Fissure is about $0.02 on Cardmarket (prices change frequently).
