The one difference is instead of naming a card title, you name an artist
Its all about finding that thematic resonance
Well, they range from the creation of mundane pests To granting yourself the power to be haunted by your own guilt: In Standard and Draft, when a card asks you to learn, you can take a Lesson card out from your sideboard and put it into your hand, ensuring you have much more consistent access to the spells you need, when you need them
It's much more fun to rip open 20 packs, as opposed to the nine or so you find in an ETB - and that's if you can even find an English ETB in recent years
Galadriel of Lothlrien Galadriel of Lothlrien makes scrying even better because it helps you ramp and cycle through even more cards
This resulted in 1st Edition runs sometimes launching simultaneously with, or even after, their Unlimited counterparts, effectively making them pointless