Miracle Kids 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, Miracle Kids is Unlimited.
YGOPRODeck lists Miracle Kids for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Miracle Kids appears in Dark Revelation Volume 4 (DR04-EN170) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Miracle Kids is about $0.14 on TCGPlayer (prices change frequently).
