If you want to go full-blown into mill, switch out some of the counter accelerators like Thrummingbird for cards like Zellix, Sanity Flayer
As was said in Screen Rant's review of the starter deck, the "Moana - Kakamora Leader" is a standout card for the deck with the ability to move characters to a location and gain one lore for each moved
Instead of being just limited to creatures like Karmic Guide, this holy giant can get artifacts, enchantments, and even lands
If you've been looking for a new take on a blink or token style deck, then this may be just what you've been searching for
It also requires enough Magic knowledge to know what cards to counterfeit and how best to sell them, which is the real limiting factor
Take a good look at how much of each color you need for each spell and choose your lands accordingly