E.M.R. 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, E.M.R. is Unlimited.
YGOPRODeck lists E.M.R. for these formats: Common Charity, TCG, OCG, Master Duel.
A listed print of E.M.R. appears in 2022 Tin of the Pharaoh's Gods (MP22-EN043) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for E.M.R. is about $0.06 on Cardmarket (prices change frequently).
