Staunch Crewmate is a uncommon Creature — Human Pirate card from The Lost Caverns of Ixalan (LCI), collector number 79. Current market price: $0.29 (foil $0.36), TCGplayer market prices via Scryfall.
When this creature enters, look at the top four cards of your library. You may reveal an artifact or Pirate card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.