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
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
Angelfire Ignition | Illustration by Yeong Hao Han Trample-granting cards give other cards the trample keyword
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
For example, in Outlaws of Thunder Junction boosters, you can find cards like Notion Thief from Gatecrash or Stoneforge Mystic from Worldwake
Of course, the supreme scarcity of these cardsthey were only found in roughly one out of every two booster boxesis the main reason for the sky-high price points that all Gold Star cards boast