In general, you play creatures because plan on using them to kill your opponent, not to give them to your opponent
Karlov of the Ghost Council Karlov of the Ghost Council is next to make an appearance on the list and is a commander whose sole purpose is to be a lifegain outlet
A couple years ago that would have been cute text, but now we have real contenders especially with our first card mentioned and the Overlords from Duskmourne
Ben Guilfoyle uses a budget Kess, Dissident Mage control shell as a running example to teach a repeatable process: define a vision, choose the right commander, build in packages, and tune your mana and gameplan over time
You can change your numbers and run a more aggressive approach by slamming more auras into the deck, but having a backdoor on the go-wide token plan is very good at a Commander table