This pairs nicely with cards like Fountainport and Elspeth, Storm Slayer, cards that already saw play in Azorius Control - so you get a bit of an added bonus there
For example, in Outlaws of Thunder Junction boosters, you can find cards like Notion Thief from Gatecrash or Stoneforge Mystic from Worldwake
I suggest running the third Snapcaster Mage, as this will allow you to cast even more of those precious Red Elemental Blasts in the match ups where they matter, leading to a serious advantage in said matches
This powerful card is up for big money in its borderless format, but the Soul Stones Cosmic Foil variant is even harder to find
Ironically, she's better in the 99 of Silvar, Devourer of the FreeSilvar, Devourer of the Free and Trynn, Champion of FreedomTrynn, Champion of Freedom, the secondary commanders of her precon, because they both add to Jirina's count