Ninjitsu Art Notebook is a Continuous 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, Ninjitsu Art Notebook is Unlimited.
YGOPRODeck lists Ninjitsu Art Notebook for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Ninjitsu Art Notebook belongs to the Ninja archetype—use that tag when searching for engine pieces and tech options.
A listed print of Ninjitsu Art Notebook appears in 2017 Mega-Tin Mega Pack (MP17-EN117) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Ninjitsu Art Notebook is about $0.04 on Cardmarket (prices change frequently).
