Tyrant's Throes 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, Tyrant's Throes is Unlimited.
YGOPRODeck lists Tyrant's Throes for these formats: TCG, OCG, Master Duel.
A listed print of Tyrant's Throes appears in Photon Shockwave (PHSW-EN076) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Tyrant's Throes is about $0.99 on Amazon (prices change frequently).
