Arcane Barrier 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, Arcane Barrier is Unlimited.
YGOPRODeck lists Arcane Barrier for these formats: Speed Duel, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Arcane Barrier appears in Crimson Crisis (CRMS-EN061) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Arcane Barrier is about $0.07 on Cardmarket (prices change frequently).
