mill deck commander mtg Saruman of Many Colors LotR SPELL STEAL Magic Custom Bout to try a Mill

Oh, and Gray Merchant of Asphodel is apparently a zombie but Id include this no matter what because its just too good to pass on

The fact it can be recurred from the yard by exiling spells makes it a cut above Living Lore, for sure

Not that I think its the way to go, but just to get an idea of the options out here, heres a sample colorless Eldrazi Ramp deck

This one luckily comes with some additional value, as exiling stuff from graveyards does legitimately matter in this format

It gains haste and "When this token dies, draw a card." Sacrifice it at the beginning of the next end step

Stay with Me Rhystic Study is very bad in Limited