This cycle wont be the last we see of Modal DFCs, so we can expect to see more developments in this space
Magnus the Red is a home for the latter, and a home for all manner of token making all stars like Talrand, Sky Summoner
Then you can tap and sac and make mana with your sacrificing, which is great with stuff
Even a card like Greater Good can be turned into a self-mill piece so long you have enough creatures to sacrifice and cards to discard, though it might not have been on your radar in regards to self-milling before
Youll have not only Sauron at your disposal, but also orcs, goblins, spiders and more
Phyrexia: All Will Be One gives us a nice mix of old and new, nostalgia and futurism, and also amps up the stakes in the Phyrexian story while continuing the games recent focus on artifacts