There are so many of them Advisors arent the most exciting creature type, and a two-mana 1/3 isnt the most exciting array of stats, but this blue creature will absolutely ruin any opponents that cant deal with it
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
It has a 5/4 power, toughness value, and keyword ability
If a smart opponent is expecting a wipe, they will play more cautiously, dropping only enough of their creatures of permanents to encourage the wipe
This very nearly was Grenzo, Havoc Raiser