Inventor's Goggles is a common Artifact — Equipment card from Duel Decks: Elves vs. Inventors (DDU), collector number 55. Current market price: $0.23, TCGplayer market prices via Scryfall.
Equipped creature gets +1/+2. Whenever an Artificer you control enters, you may attach this Equipment to it. Equip {2} ({2}: Attach to target creature you control. Equip only as a sorcery.)