Marchesa's Smuggler is a uncommon Creature — Human Rogue card from Conspiracy (CNS), collector number 50. Current market price: $0.19 (foil $0.87), TCGplayer market prices via Scryfall.
Dethrone (Whenever this creature attacks the player with the most life or tied for most life, put a +1/+1 counter on it.) {1}{U}{R}: Target creature you control gains haste until end of turn and can't be blocked this turn.