Book of Life is a Normal 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, Book of Life is Unlimited.
YGOPRODeck lists Book of Life for these formats: GOAT, OCG GOAT, Speed Duel, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
Book of Life belongs to the Book of archetype—use that tag when searching for engine pieces and tech options.
A listed print of Book of Life appears in Battle Pack 3: Monster League (BP03-EN145) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Book of Life is about $0.16 on Cardmarket (prices change frequently).
