Fabled Treason is a Normal Trap Card.
Trap Cards are normally Set first and can be activated on a later turn, often in response to an action.
On the current TCG and OCG Forbidden & Limited lists tracked here, Fabled Treason is Unlimited.
YGOPRODeck lists Fabled Treason for these formats: Common Charity, TCG, OCG, Master Duel.
Fabled Treason belongs to the Fabled archetype—use that tag when searching for engine pieces and tech options.
A listed print of Fabled Treason appears in 2022 Tin of the Pharaoh's Gods (MP22-EN041) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Fabled Treason is about $0.07 on TCGPlayer (prices change frequently).
