I am also excited by Estrids Invocation, the Copy Enchantment variant this deck really wantsresetting to the most valuable enchantment for the turn, copying a Mask token for Estrid in a pinch, or just gaining us some extra advantage by flickering back in as a cantrip like Flight of Fancy
While we'll talk about some cards that work well with Naban, Dean of Iteration in a minute, it's also important to point out that there's a second level to Naban, Dean of Iteration that isn't present with Panharmonicon
Open them all at once for a skyscraper-sized haul, or save them for when the city calls
At the end of this ridiculous night, a stroke of luck seemingly beyond possibility
I think it's mainly the +2 and the -1 that make Sorin powerful
Creatures with shroud have an important place in Magics history as an answer to decks with strong interaction