Extinction on Schedule 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, Extinction on Schedule is Unlimited.
YGOPRODeck lists Extinction on Schedule for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Extinction on Schedule appears in 2016 Mega-Tin Mega Pack (MP16-EN097) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Extinction on Schedule is about $0.03 on TCGPlayer (prices change frequently).
