Iron Core Luster is a Counter 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, Iron Core Luster is Unlimited.
YGOPRODeck lists Iron Core Luster for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
Iron Core Luster belongs to the Koa'ki Meiru archetype—use that tag when searching for engine pieces and tech options.
A listed print of Iron Core Luster appears in Ancient Prophecy (ANPR-EN074) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Iron Core Luster is about $0.15 on Cardmarket (prices change frequently).
