Goblin Charbelcher is a rare Artifact card from Mystery Booster 2 (MB2), collector number 221. Current market price: $0.30 (foil $10.81), TCGplayer market prices via Scryfall.
{3}, {T}: Reveal cards from the top of your library until you reveal a land card. This artifact deals damage equal to the number of nonland cards revealed this way to any target. If the revealed land card was a Mountain, this artifact deals double that damage instead. Put the revealed cards on the bottom of your library in any order.