Barkion's Bark is a Normal 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, Barkion's Bark is Unlimited.
YGOPRODeck lists Barkion's Bark for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Barkion's Bark belongs to the Naturia archetype—use that tag when searching for engine pieces and tech options.
A listed print of Barkion's Bark appears in Starstrike Blast (STBL-EN052) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Barkion's Bark is about $0.14 on TCGPlayer (prices change frequently).
