Defense Draw 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, Defense Draw is Unlimited.
YGOPRODeck lists Defense Draw for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Defense Draw appears in Demo Deck 2016 (DEM3-EN019) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Defense Draw is about $0.16 on Cardmarket (prices change frequently).
