Quill Pen of Gulldos 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, Quill Pen of Gulldos is Unlimited.
YGOPRODeck lists Quill Pen of Gulldos for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Quill Pen of Gulldos appears in Generation Force (GENF-EN058) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Quill Pen of Gulldos is about $0.04 on Cardmarket (prices change frequently).
