Kunai with Chain 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, Kunai with Chain is Unlimited.
YGOPRODeck lists Kunai with Chain for these formats: Speed Duel, OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Kunai with Chain appears in 2-Player Starter Set (STAS-EN025) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Kunai with Chain is about $0.07 on TCGPlayer (prices change frequently).
