Junk Barrage is a Equip 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, Junk Barrage is Unlimited.
YGOPRODeck lists Junk Barrage for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
Junk Barrage belongs to the Junk archetype—use that tag when searching for engine pieces and tech options.
A listed print of Junk Barrage appears in Duelist Pack: Yusei (DP08-EN019) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Junk Barrage is about $0.07 on Cardmarket (prices change frequently).
