Hullbreacher

破船勇盗 (Hullbreacher) (zhs)

Creature - Merfolk Pirate | Power/Toughness: 3 / 2 (CMC 3)
Flash
If an opponent would draw a card except the first one they draw in each of their draw steps, instead you create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")