Sword of Dark Rites 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 Dark Rites is Unlimited.
YGOPRODeck lists Sword of Dark Rites for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Sword of Dark Rites appears in Force of the Breaker (FOTB-EN067) at Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Sword of Dark Rites is about $0.14 on Cardmarket (prices change frequently).
