Hedgewitch's Mask is a common Artifact — Equipment card from Innistrad: Double Feature (DBL), collector number 23. Current market price: $0.32 (foil $0.35), TCGplayer market prices via Scryfall.
Equipped creature gets +1/+1. Equipped creature can't be blocked by creatures with power 4 or greater. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)