That said, you have to be lucky enough to have four lands in hand and this spell to maximize its potential
Its banned in Modern, and has only been reprinted on The List
Shortly after this card was previewed, it dawned on most Modern players that this One Ring to Rule them All would become One Ring to Rule Modern for several reasons: 1) almost any deck can play it and/or wants to play it, 2) its ETB ability single-handedly shifts the state of the game, 3) it provides massive card advantage, 4) it's abusable
There are also investors, who are interested in purchasing cards whose value will appreciate over time
While this version of the mana curve is useful, it isn't a rule of deck building
I've always wanted to grade some of my cards but didn't want to pay for that many at once