Widespread Ruin 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, Widespread Ruin is Unlimited.
YGOPRODeck lists Widespread Ruin for these formats: GOAT, OCG GOAT, Duel Links, Speed Duel, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Widespread Ruin appears in Champion Pack: Game Three (CP03-EN011) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Widespread Ruin is about $0.10 on Cardmarket (prices change frequently).
