The deck only has seven cards in it that can actually win a game (three Snapcaster Mages, two Monastery Mentors, two Jaces)
Horde of Notions Horde of Notions was, for a long time, the best option for a 5-color elemental commander
As for the other reprints, there are some good inclusions, such as Living Death, Mutilate, Caged Sun, and Dread Return
It answers all the premier threats of the format (Hullbreaker Horror, Esika's Chariot, all the Dragons, Adeline, Wrenn Treefolk) while also providing valuable counterplay to the creatureless Alrund's Epiphany and Dimir decks
Suggestion #5: Make Use of the Library as a Resource The library is not as associated with the Phyrexians, but it was a resource that you tend to have more of, so it gave us additional flexibility in costing
Fuelling her rage with the cost reduction from Inspiring Statuary and granting her fuel with Blood Funnel when you cast a non-Creature spell, you can easily cast a bunch of cards for free and fuel a cheap graveyard recursion deck that aims to loop creates from your graveyard back onto the battlefield and then send them back