Imperial Tombs of Necrovalley 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, Imperial Tombs of Necrovalley is Unlimited.
YGOPRODeck lists Imperial Tombs of Necrovalley for these formats: Common Charity, TCG, OCG, Master Duel.
Imperial Tombs of Necrovalley belongs to the Gravekeeper's archetype—use that tag when searching for engine pieces and tech options.
A listed print of Imperial Tombs of Necrovalley appears in 2014 Mega-Tin Mega Pack (MP14-EN235) at Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Imperial Tombs of Necrovalley is about $0.18 on Cardmarket (prices change frequently).
