But once upon a time, this was considered a problem card
You won't be nudged toward a bulk purchase to make the economics work
For example, if the target historic permanent card is an artifact card (but not a creature card) and you control March of the Machines ("Each noncreature artifact is an artifact creature with power and toughness each equal to its mana value."), it will enter with two additional +1/+1 counters on it because it will be a creature on the battlefield
Of the options available, the best one is definitely greens Shifting Woodland
There are, of course, weaknesses to a mill strategy some players include cards that prevent themselves from losing to an empty library, like Ulamog, the Infinite Gyre
Over the last few years, Reserved List cards have been increasingly targeted by speculators and vendors as inventory worth stocking in pursuit of theoretically easy future gains