While you can certainly whiff here and mill only a few cards, since Mirror-Mad Phantasm puts itself right back into play, you can easily roll the dice again
While Im not wholly convinced a mono-black deck has access to that many helpful food effects, there are ways to take advantage of having some extra artifact tokens that youre able to make for free each turn
Thanks for reading, keep away from the full moon, and stay safe
Echoing Deeps I cant tell if the Caves deck is going to be good in Standard, but if so, this seems like a trap for that deck
Pyrite Knight in particular seems to have been passed-over by the wider playerbase, being a monster you can Summon from the hand or GY with ease, and give your opponent a body they cant do much with, on top of providing ways to circumvent issues like Tenpai in the Battle Phase
If youre generating a bunch of Treasure with a card like Descent into Avernus each turn, Goddric could threaten opponents with commander damage if you pump all that extra mana into its fire-breathing ability