You might also allow it to go into the graveyard and essentially get discarded as normal
Mill six cards, then return up to two instant and/or sorcery cards from your graveyard to your hand.
Regardless, I dont know that now is the time for more than 60 cards, but I do know that as the card pool expands, it gets easier and easier to find more spells of a similar power level, but no other lands are close to the power level of fetchlands, so the incentives to build to maximize the power of our lands over the power of our spells do increase in some way over time, which is to say that, even if its not right now, it could be someday, and getting there first might be the best way to truly break Modern.
Once you start looking at MP copies, the price jumps to $486.21, while LP copies cap out at $500, but there aren't any NM sales to point to
Think about your hand when looking at abilities : If youre putting a card in your inkwell and playing a character on every turn, but you are only drawing one card (by default) every turn then youll run out of cards very quickly