Terrors of the Underroot 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 Underroot is Unlimited.
YGOPRODeck lists Terrors of the Underroot for these formats: Common Charity, TCG, OCG, Master Duel.
A listed print of Terrors of the Underroot appears in 2022 Tin of the Pharaoh's Gods (MP22-EN109) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Terrors of the Underroot is about $0.03 on Cardmarket (prices change frequently).
