Sword of Dragon's Soul 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, Sword of Dragon's Soul is Unlimited.
YGOPRODeck lists Sword of Dragon's Soul for these formats: GOAT, OCG GOAT, Speed Duel, Duel Links, Edison, Common Charity, TCG, OCG, Master Duel.
A listed print of Sword of Dragon's Soul appears in Speed Duel Tournament Pack 5 (STP5-EN024) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Sword of Dragon's Soul is about $0.32 on Cardmarket (prices change frequently).
