Beamtown Beatstick is a common Artifact — Equipment card from March of the Machine (MOM), collector number 131. Current market price: $0.72 (foil $0.66), TCGplayer market prices via Scryfall.
Equipped creature gets +1/+0 and has menace. (It can't be blocked except by two or more creatures.) Whenever equipped creature deals combat damage to a player or battle, create a Treasure token. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)