Spidersilk Net is a common Artifact — Equipment card from Dragons of Tarkir (DTK), collector number 244. Current market price: $0.26 (foil $0.40), TCGplayer market prices via Scryfall.
Equipped creature gets +0/+2 and has reach. (It can block creatures with flying.) Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)