Psychic 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, Psychic Blade is Unlimited.
YGOPRODeck lists Psychic Blade for these formats: Common Charity, TCG, OCG, Master Duel.
A listed print of Psychic Blade appears in 2016 Mega-Tin Mega Pack (MP16-EN150) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Psychic Blade is about $0.11 on Cardmarket (prices change frequently).
