Unleash Your Power! is a Quick-Play 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, Unleash Your Power! is Unlimited.
YGOPRODeck lists Unleash Your Power! for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Unleash Your Power! appears in Phantom Darkness (PTDN-EN056) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Unleash Your Power! is about $0.07 on TCGPlayer (prices change frequently).
