Dockside Extortionist is a mythic Creature — Goblin Pirate card from Avatar: The Last Airbender Eternal (TLE), collector number 28. Current market price: $5.77 (foil $8.05), TCGplayer market prices via Scryfall.
When this creature enters, create X Treasure tokens, where X is the number of artifacts and enchantments your opponents control. (Treasure tokens are artifacts with "{T}, Sacrifice this token: Add one mana of any color.")