Key Traits: Well-built but not cutthroat
You have a variety of numbers on an army card: movement, life, range, your power and toughness, your size and height on the bottom left, and lastly, the point cost for the army card (with individual figure costs broken down for partial scoring, in case of a tie at the end of the game)
Generally, any Commander that provides value through creating tokens is the way to go here, but there are some alternatives if you want to take a different approach
(Choose any number of permanents and/or players, then give each another counter of each kind already there.) When this creature dies, proliferate
In a similar vein, the same problem existed for Attractions thanks to The Most Dangerous Gamer