Selesnya Locket is a common Artifact card from Guilds of Ravnica (GRN), collector number 240. Current market price: $0.16 (foil $0.33), TCGplayer market prices via Scryfall.
{T}: Add {G} or {W}. {G/W}{G/W}{G/W}{G/W}, {T}, Sacrifice this artifact: Draw two cards.