D2 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, D2 Shield is Unlimited.
YGOPRODeck lists D2 Shield for these formats: TCG, OCG, Master Duel.
A listed print of D2 Shield appears in Starstrike Blast (STBL-EN063) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for D2 Shield is about $1.94 on Cardmarket (prices change frequently).
