Malcolm, Keen-Eyed Navigator

Legendary Creature — Siren Pirate{2}{U}2/2

Flying Whenever one or more Pirates you control deal damage to your opponents, you create a Treasure token for each opponent dealt damage. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.") Partner (You can have two commanders if both have partner.)

Colour identity Blue · Flying, Treasure, Partner · Commander page

In short

Malcolm, Keen-Eyed Navigator has 4 listed printings; the most valuable is the Borderless · Special Guest printing from SPG at US$7.42 on TCGplayer's market price. Prices below are the cheapest in-stock listing in the United States.