Thieves' Guild Enforcer is a rare Creature — Human Rogue card from Foundations Jumpstart (J25), collector number 493. Current market price: $0.31, TCGplayer market prices via Scryfall.
Flash Whenever this creature or another Rogue you control enters, each opponent mills two cards. As long as an opponent has eight or more cards in their graveyard, this creature gets +2/+1 and has deathtouch.