Seal of Wickedness is a Continuous 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, Seal of Wickedness is Unlimited.
YGOPRODeck lists Seal of Wickedness for these formats: Duel Links, Edison, TCG, OCG, Master Duel.
A listed print of Seal of Wickedness appears in Stardust Overdrive (SOVR-EN079) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Seal of Wickedness is about $0.22 on Cardmarket (prices change frequently).
