White Hole 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, White Hole is Unlimited.
YGOPRODeck lists White Hole for these formats: GOAT, OCG GOAT, Common Charity, Edison, TCG, OCG, Master Duel.
White Hole belongs to the Hole archetype—use that tag when searching for engine pieces and tech options.
A listed print of White Hole appears in Legendary Collection Kaiba Mega Pack (LCKC-EN102) at Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for White Hole is about $0.19 on Cardmarket (prices change frequently).
