Yellow Luster Shield is a Continuous Spell Card.
Spell Cards are usually activated from the hand on your turn unless their type gives another timing window.
On the current TCG and OCG Forbidden & Limited lists tracked here, Yellow Luster Shield is Unlimited.
YGOPRODeck lists Yellow Luster Shield for these formats: GOAT, OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Yellow Luster Shield appears in Dark Revelation Volume 2 (DR2-EN037) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Yellow Luster Shield is about $0.05 on Cardmarket (prices change frequently).
