Fusion Sword Murasame Blade is a Equip 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, Fusion Sword Murasame Blade is Unlimited.
YGOPRODeck lists Fusion Sword Murasame Blade for these formats: GOAT, OCG GOAT, Duel Links, Speed Duel, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Fusion Sword Murasame Blade appears in Battle Pack 3: Monster League (BP03-EN143) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Fusion Sword Murasame Blade is about $0.09 on Cardmarket (prices change frequently).
