Wizards of the Coast was facing a tough ask with this particular set
I will be discussing them as part of the 99, if you want to build dedicated commander decks around them, you can also do that, but then their evaluations can shift dramatically both from them being built around completely and consistently available
The alternate commander, The Lord of Pain, pings enemies for damage whenever a player casts their first spell, which is not only an excellent tool to make your opponents kill each other, but a decent deterrent to not remove them quickly
Penelopes never-ending funeral shroud in the Odyssey comes to mind, as does the poison-soaked robe Medea uses to kill Glauke in Euripides version of her story
Theyre often variants of the same effect, but with variations due to the limitations of MTGs color pie