Pot of Duality 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, Pot of Duality is Unlimited.
YGOPRODeck lists Pot of Duality for these formats: Common Charity, TCG, OCG, Master Duel.
Pot of Duality belongs to the Greed archetype—use that tag when searching for engine pieces and tech options.
A listed print of Pot of Duality appears in 25th Anniversary Rarity Collection II (RA02-EN057) at Collector's Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Pot of Duality is about $0.18 on TCGPlayer (prices change frequently).
