Its what is winning isnt necessarily a convincing argument on its own, but youd have to try really hard to get me away from registering a pile of basic Forests any time you cant fetch a basic land off of your opponents Ghost Quarter, Field of Ruin, or Path to Exile is enough of a disaster that I think you need a really good reason to play a second color right now, especially considering the basic Forests also help insulate you against the Blood Moons out of decks like Mardu Pyromancer
It's brokenly good
Meanwhile, Archmage of Runes not only draws cards the same way, but it also makes your spells cheaper, turning every cantrip into a little engine
It's still a fine card a budget replacement for the better tutors (Demonic Tutor)
Opening two commons in these slots will happen 49% of the time, while a common/uncommon split will happen at 24.5%, common/rare at 17.5%, uncommon/uncommon at 3.1%, uncommon/rare at 4.3%, and rare/rare 1.6% of the time