An Esper commander gives you access to bangers like Herald of Hoofbeats, Marshal of Zhalfir, Elenda and Azor, Invasion of New Phyrexia, and even Unsettled Mariner
When this is set your foes get the life total of the lowest one
there are a number of articles out there about this topic, with a variety of answers to go with all those articles
Sharuum the HegemonSharuum the Hegemon is another very popular card to put at the helm, combine with Deadeye NavigatorDeadeye Navigator for all the combo finishes
For this list, Im exclusively focusing on cards that create creature tokens with the goal of helping Commander players find the perfect means to create a board-dominating army, but there are plenty of excellent Magic cards that create artifact tokens like Food tokens, Clue tokens, or Treasure tokens if that's what you're after
Weathered Sentinels Now were talking