Enervating Mist 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, Enervating Mist is Unlimited.
YGOPRODeck lists Enervating Mist for these formats: GOAT, OCG GOAT, Duel Links, Edison, TCG, OCG, Master Duel.
A listed print of Enervating Mist appears in Dark Revelation Volume 3 (DR3-EN053) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Enervating Mist is about $0.21 on Cardmarket (prices change frequently).
