Warning Point 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, Warning Point is Unlimited.
YGOPRODeck lists Warning Point for these formats: Common Charity, TCG, OCG, Master Duel.
A listed print of Warning Point appears in 2021 Tin of Ancient Battles (MP21-EN216) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Warning Point is about $0.04 on Cardmarket (prices change frequently).
