When life totals are redistributed, each player gains or loses the amount of life necessary to equal the other player's life total
The fact that we used hearts as the suit was irrelevant, the same frequencies would occur if the suit had been spades (or diamonds, or clubs)
Luckily for those willing to wield such power, Necropotence was reprinted as part of Wilds of Eldraine's Enchanting Tales bonus sheet (in several versions, including the Anime alternate style), driving its price down
Naturally, when double-sleeving, a lot of air gets trapped within both sleeves
If you focus on milling yourself with cards like Grisly Salvage, its possible you make a token copy of something cheap and dont really get the biggest bang for your buck
If you are looking for the card to own when it comes to Magic, it is the Black Lotus but its become so storied I almost bet you knew that fact before reading this article