Since Persistent Petitioners is a Human, and you can use them to mill yourself, the strategy is simply to throw a bunch of Persistent Petitioners into the deck alongside a bunch of copies of Slime Against Humanity, mill yourself out, and then play more Persistent Petitioners to cast those copies of Slime Against Humanity from the graveyard
a small amount of lifegain is but a drop in the ocean, particularly in a format where players start at 40 life
When The Ur-Dragon does finally make an appearance, it not only refills you hand, but allows you to put a permanent card right onto the battlefield
With one of those out, Magica is all of a sudden questing for seven lore each turn which is already a pretty intense addition
Borderless Main Set These are cards present in the main set that features the same art, although with an extended borderless style
Kaalia of the Vast and Sivitri, Dragon Master can be strong dragon commanders