However, for an "aristocrats" deck that relies on death triggers, such an ability is actually an upside, and is granted to a player's commander alongside ward, +3/+3, flying, and deathtouch
Slumbering Keepguard takes advantage of the enchantments before you sacrifice them, while Hopeful Vigil gives you a two-drop that you can easily sacrifice to something else or even to its own ability
As such, it is common for the other players to team up on you to take you out before you take them out
ONE is a true slam dunk of a set for Commander, with more exciting build-arounds and upgrades than any set for quite some time
+1: Exile the top card of your library face down and look at it
Essentially a form of attrition, you sacrifice your board or become harder to attack because your opponents lose their creatures as well