Pale Moon was the worst card in Magics history eighteen years ago, and its the worst card in Magics history now
She rewards you for doing exactly what an enchantment player wants: building a fortress of enchantments, drawing a truckload of cards every turn, and eventually knocking someone out with commander damage while still looking pretty about it
You can add counters to lands, such as Gemstone Mine, you can hit a creature with a -1/-1 counter and make this a minor proliferate, and more
Some cards have done amazingly well over the past 25 years, increasing in value by 20 or even 30 times their selling price in 1995
For a 10 year old, then number of times I had lost a game when if I just had one more turn, I would have won, was innumerable