Diamond Dust 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, Diamond Dust is Unlimited.
YGOPRODeck lists Diamond Dust for these formats: TCG, OCG, Master Duel.
A listed print of Diamond Dust appears in Duelist Saga (DUSA-EN010) at Ultra Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Diamond Dust is about $0.19 on Cardmarket (prices change frequently).
