World Legacy in Shadow is a Field Spell Card.
Spell Cards are usually activated from the hand on your turn unless their type gives another timing window.
On the current TCG and OCG Forbidden & Limited lists tracked here, World Legacy in Shadow is Unlimited.
YGOPRODeck lists World Legacy in Shadow for these formats: Common Charity, TCG, OCG, Master Duel.
World Legacy in Shadow belongs to the Krawler archetype—use that tag when searching for engine pieces and tech options.
A listed print of World Legacy in Shadow appears in Circuit Break (CIBR-EN057) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for World Legacy in Shadow is about $0.11 on TCGPlayer (prices change frequently).
