Curse of the Masked Beast is a Ritual 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, Curse of the Masked Beast is Unlimited.
YGOPRODeck lists Curse of the Masked Beast for these formats: GOAT, OCG GOAT, Duel Links, Speed Duel, Common Charity, Edison, TCG, OCG, Master Duel.
Curse of the Masked Beast belongs to the Mask archetype—use that tag when searching for engine pieces and tech options.
A listed print of Curse of the Masked Beast appears in Dark Beginning 1 (DB1-EN219) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Curse of the Masked Beast is about $0.03 on Cardmarket (prices change frequently).
