A few of the cards fit seamlessly into established decks, while others may help you develop a new strategy
However you utilize this big baddie, you'll have to pay out $24 for the extended art version , but you can get the regular version for around two bucks
Being able to ramp the best land out of the top four cards of your deck at instant speed is already very useful, but the fact that you can still draw one of them into your hand as a fall back means that you wont have a major downside (see Growth Spiral for a similar effect)
Unlike a lot of mechanics since, however, Lessons have been featured in a few sets now and have become a big part of competitive Magic
For more information on those treatments, check out the Collecting Kamigawa: Neon Dynasty article
No, cards from The List are found in other packs like set boosters, collector, and play boosters