Moonsnare Prototype is a common Artifact card from Kamigawa: Neon Dynasty (NEO), collector number 69. Current market price: $0.26 (foil $0.37), TCGplayer market prices via Scryfall.
{T}, Tap an untapped artifact or creature you control: Add {C}. Channel — {4}{U}, Discard this card: The owner of target nonland permanent puts it on their choice of the top or bottom of their library.