Sprite's Blessing is a Ritual 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, Sprite's Blessing is Unlimited.
YGOPRODeck lists Sprite's Blessing for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Sprite's Blessing appears in 2017 Mega-Tin Mega Pack (MP17-EN156) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Sprite's Blessing is about $0.03 on Cardmarket (prices change frequently).
