Sauron, the Necromancer is one of two Sauron cards in Tales of Middle-earth that makes great use of the graveyard, rewarding the player for using discard effects, self-mill, and the like to stock up their graveyard with powerful creatures with relevant abilities
You know, that part of the card that dishes out -1/-1 to creatures
You get an email with tracking the moment it leaves
You just need ways to maximize your hand size for beats, so that'll be things like Reliquary Tower and card draw like Fact or Fiction and Tidings
As one of the original fully-evolved powerhouses from Generation I, it has a built-in fan base that keeps demand consistent
The sideboard fetch is tempting enough, but, again, thats asking a lot for 5, as is spending the resources to defeat a battle with 7 defense