At the beginning of your end step, you gain 1 life for each creature you control with vigilance
Commander is a singleton format played with 100 cards instead of 60
The payoff for all this work is that at the beginning of your turn, you draw cards and gain life equal to the number of permanents you own but other players control
A friend of mine, Wes, has a Zurgo Helmsmasher Mardu Goblins deck that is slick, and Zurgo Stormrender takes this idea and makes it so much better
Get her questing ASAP, and if your opponent isnt too far ahead, you might have the game
One of the most common ways for us to actually win the game is to make a few Drakes with Roost of Drakes and then kick (and possibly even copy) Vastwood Surge to put a bunch of +1/+1 counters on our fliers, allowing us to win with one big attack