In limited, make sure to fill your side of the board with creatures like Imperial Subduer which will tap down beefy blockers, uncommon Selfless Samurai that will add Lifelink to solo-attackers, or Peerless Samurai, which will reduce the cost of your next spell cast that turn, effectively ramping you
Saheeli currently ranks at the respectable placement of 14th among all Izzet generals on EDHrec, which indicates to me that raw drawing power of Jhoira, Weatherlight Captain has allowed her to be the optimal artifact-matter Izzet commander
The commanders listed here are some of the most popular options for infect decks, and its easy to see why
For example: Why dont you take these four rares I opened for that Sheoldred? Except most rares in Limited sets go towards the bulk bin
Its still difficult to argue against the effectiveness of a card like this one that simply shuts off so many things for such a low cost