This strategy is a double-edged sword, as misplaced over-aggression in Commander usually ends up with you drawing off the top of your deck very quickly and leaving you open to taking big damage yourself if you're not careful
His swashbuckling nature might make you consider treasure as a way to take advantage of his abilities, but I propose a more interesting choice: Goblins
Roughly 40% of your deck should be lands
Paradox Engine First Printed: 2017-JAN Banned: 2019-JUL Paradox Engine can be played in any deck, and creates large amounts of mana at little-to-no deckbuilding cost
You can also look to leverage spells which implicitly allow cooperation between different players, such as Discerning Financier, the various curse-type auras, voting spells and similar effects like Councils Judgment or Lavabrink Floodgates, and damage redirectors like Stuffy Doll or Brash Taunter
Then start attacking while duplicating your most threatening card