Thinking about Fake Your Own Death: Yeah, like I say in the description, I've got "a few blink effects for Elektra, for when the party gets out of hand again"
Surveil is better than scry as you can fill up your graveyard with those goodies, which a lot of cards in Esper colors care about in all permanent types, from White and Blue loving artifact recursion and White and Black creature recursion and abilities like jump-start and flashback in these colors
Yet, its evolution into Dragalge makes it an intriguing choice for players seeking a Pokmon with the rare Poison/Dragon typing
While its plenty powerful, its the effect on perceived barrier-to-entry that really posed a problem because casual players watching Commander games in passing could reasonably assume that they needed hundreds (now thousands) of dollars in Power-9 mana as table stakes, just to join the format
They both have their place in popular decks, but there are already alternatives
The other players can often slow you down so Wizards likes to give the strategy a few noncombat options to add poison to opponents