The bottom line is that you wont want all your card draw in only one of the colors in a typical multicolor EDH deck, so finding a few red draw staples helps make your decks more consistent
In the early days InQuest Gamer (1995 to 2007), The Duelest (1993 to 1999), and Scrye (1994 to 2009) were the magazines of choice, but prices have certainly evolved since the last of those saw print
As if it wasnt good enough already, however, its possible to get around the once each turn restriction through Proliferate
Creature - Elf Shaman Color tag templates(None) Brown Ouphe , : Counter target activated ability from an artifact source
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.
Cards like Additionally, some CEDH staples that were creeping up in price have been reprinted with the Future Sight treatment