Gold Pan is a common Artifact — Equipment card from Outlaws of Thunder Junction (OTJ), collector number 242. Current market price: $0.15 (foil $0.30), TCGplayer market prices via Scryfall.
When this Equipment enters, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Equipped creature gets +1/+1. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)