Pitiless Plunderer is a uncommon Creature — Human Pirate card from The Lost Caverns of Ixalan Commander (LCC), collector number 208. Current market price: $4.41, TCGplayer market prices via Scryfall.
Whenever another creature you control dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")