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
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
Kilo serves as the ultimate engine for any deck that cares about loyalty, charge, or +1/+1 counters
We can even include my personal favourite from Outlaws of Thunder Junction , Worldwalker Helm, which not only makes a map token whenever we create an artifact token but also lets us duplicate an artifact token too
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
Then start attacking while duplicating your most threatening card