Omega Judgment 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, Omega Judgment is Unlimited.
YGOPRODeck lists Omega Judgment for these formats: Common Charity, TCG, Master Duel.
A listed print of Omega Judgment appears in Dimension Force (DIFO-EN084) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Omega Judgment is about $0.05 on Cardmarket (prices change frequently).
