Automated monitoring ensures you know about every restock the moment it happens, across every retailer, for every product you care about
Limited edition and short-print sets have defined production windows, after which they go "out of print" and secondary market prices begin climbing
And I do think averaging one card drawn per turn is a realistic assumption, but again, it depends on your playgroup
Solve the Equation, Reckless Handling, Merchant Scroll, Fabricate, Bribery & Acquire are all pretty much too good to pass up here
Counter Intelligence is none of those things, so these are just basic lands that come into play tapped and don't have basic land types that synergize with other cards
With the last pack, the process is repeated but the cards are once again passed to the left