Golgari Thug is a uncommon Creature — Human Warrior card from Ultimate Masters (UMA), collector number 98. Current market price: $0.58 (foil $0.90), TCGplayer market prices via Scryfall.
When this creature dies, put target creature card from your graveyard on top of your library. Dredge 4 (If you would draw a card, you may mill four cards instead. If you do, return this card from your graveyard to your hand.)