Ninjitsu Art Notebook of Mystery

Quick-Play Spell

If your opponent controls a card: You can Set up to 1 "Ninja" monster, and up to 1 "Ninjitsu Art" Spell/Trap, except "Ninjitsu Art Notebook of Mystery". These cards come from your Deck and/or GY, but only 1 can come from each. If this Set card on the field is sent to the GY: You can target 1 face-up monster on the field; change it to face-down Defense Position. You can only use each effect of "Ninjitsu Art Notebook of Mystery" once per turn.

Rulings – Yugipedia

Printings:

Darkwing Blast: DABL-EN061 (Ultra Rare) - 2022-10-20
25th Anniversary Tin: Dueling Heroes Mega Pack: MP23-EN201 (Common) - 2023-09-07

Prices:

Cardmarket: 0.06 €
TCGplayer: $ 0.15