Zera Ritual 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, Zera Ritual is Unlimited.
YGOPRODeck lists Zera Ritual for these formats: OCG GOAT, Duel Links, Edison, Common Charity, TCG, OCG, Master Duel.
A listed print of Zera Ritual appears in Premium Pack (TCG) (PP01-EN010) at Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Zera Ritual is about $0.10 on TCGPlayer (prices change frequently).
