World Legacy Whispers is a Continuous 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, World Legacy Whispers is Unlimited.
YGOPRODeck lists World Legacy Whispers for these formats: Duel Links, TCG, OCG, Master Duel.
World Legacy Whispers belongs to the Mekk-Knight archetype—use that tag when searching for engine pieces and tech options.
A listed print of World Legacy Whispers appears in 2018 Mega-Tin Mega Pack (MP18-EN217) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for World Legacy Whispers is about $0.18 on Cardmarket (prices change frequently).
