Barrels of Blasting Jelly is a common Artifact card from Avatar: The Last Airbender (TLA), collector number 254. Current market price: $0.23 (foil $0.26), TCGplayer market prices via Scryfall.
{1}: Add one mana of any color. Activate only once each turn. {5}, {T}, Sacrifice this artifact: It deals 5 damage to target creature.