Crackdown 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, Crackdown is Unlimited.
YGOPRODeck lists Crackdown for these formats: Common Charity, Duel Links, TCG, OCG, Master Duel.
A listed print of Crackdown appears in 2020 Tin of Lost Memories Mega Pack (MP20-EN084) at Prismatic Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Crackdown is about $0.09 on Cardmarket (prices change frequently).
