Codex Shredder is a uncommon Artifact card from The List (PLST), collector number RTR-228. Current market price: — (foil $2.63), TCGplayer market prices via Scryfall.
{T}: Target player mills a card. (They put the top card of their library into their graveyard.) {5}, {T}, Sacrifice this artifact: Return target card from your graveyard to your hand.