Misfortune 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, Misfortune is Unlimited.
YGOPRODeck lists Misfortune for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Misfortune appears in Dark Revelation Volume 4 (DR04-EN217) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Misfortune is about $0.03 on Cardmarket (prices change frequently).
