D - Shield 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, D - Shield is Unlimited.
YGOPRODeck lists D - Shield for these formats: Common Charity, Edison, TCG, OCG, Master Duel.
D - Shield belongs to the Destiny HERO archetype—use that tag when searching for engine pieces and tech options.
A listed print of D - Shield appears in Dark Revelation Volume 4 (DR04-EN234) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for D - Shield is about $0.12 on Cardmarket (prices change frequently).
