Grolnok, the Omnivore Magic has enough cards and mechanics that work from the graveyard to make self-milling a reward unto itself but I wont object to a mill engine that throws in something extra to sweeten the deal
At just above $7200, this is where cards start to get pricey, so buckle up
2 Exhume Returning to cards legal in Legacy and Vintage only, Exhume is one half of the most faithful reanimation deck in existence, which is aptly named "Reanimator"
16 nonfoil Basic Land cards
And as noted, there's no difference between artifact card draw and card draw from other sources (like blue instants, or white enchantments, or any other source)
If you find yourself needing a mana sink, you can also spend seven mana and tap it to go to askurza.com and enter the fun house to use a random ability such as creating a token or drawing cards