Captain Storm, Cosmium Raider

The trick is where the trigger comes from. Pirate tribal usually grows through combat or through payoffs that count the crew, but this reads the artifact axis instead: every trinket, Treasure, or Equipment that hits the battlefield hands a counter to a Pirate of your choosing. In Izzet, that plugs the aggressive tribe into a resource type the color pair already generates in bulk, at a cadence combat cannot match, since Treasure tokens enter on your terms and on any turn. Crucially, the payoff lands on entry, not on presence: a counter is banked the instant the artifact enters, so the Treasure can be cracked for mana the same turn without giving anything back. The growth is permanent even as the fuel is disposable, which is the whole loop. The targeting is where the deckbuilding lives: because each artifact routes one counter to one Pirate, you decide whether to pile them onto a single evasive threat or spread them across a wider board, and a big Treasure turn can spike a modest body into something the opponent has to answer immediately. What balances the design is the small frame and the fragility of a commander that has to survive to keep the engine turning; kill the Captain and the artifacts go back to being disposable value rather than a growth loop. It is a bridge card, welding the Pirate creature type to the artifact-matters archetype that red and blue have circled for years without a natural tribal anchor.