The value is high enough that drafting or cracking boxes is profitable, and if you're not interested in gambling on sealed packs, you'll be able to get a great discount on a lot of Modern, Legacy, and Commander staples over the winter
The life gain played by normal decks to sure up their matches against agro decks has to minimally impact the deck in their other match ups however in decks that are really abusing life as a resource such as Necropotence you typically need some life gain just to enable the continued use of your effects
Drawing cards for free is its biggest boon, requiring no mana investment once it's on the field to trigger its lifegain effects, and turning the rest of your effects into free cards
And hitting three artifacts is easy
Join me next week when I answer some unanswered question about Innistrad .
This wants to be in cost reduction like miracle or with other Familiars