Terrors of the Overroot 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, Terrors of the Overroot is Unlimited.
YGOPRODeck lists Terrors of the Overroot for these formats: Common Charity, Duel Links, TCG, OCG, Master Duel.
A listed print of Terrors of the Overroot appears in 25th Anniversary Tin: Dueling Heroes Mega Pack (MP23-EN146) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Terrors of the Overroot is about $0.04 on TCGPlayer (prices change frequently).
