Hunter's Blowgun is a common Artifact — Equipment card from The Lost Caverns of Ixalan (LCI), collector number 255. Current market price: $0.21 (foil $0.37), TCGplayer market prices via Scryfall.
Equipped creature gets +1/+1. Equipped creature has deathtouch during your turn. Otherwise, it has reach. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)