This only has flavor text from Aerith, but again, were gaining some serious value by getting in at a buck plus shipping
Card not found is sometimes seen in various sacrfice decks (or more colloqually, Cat-Oven decks), Evelyn is often the top end of vampire decks and Card not found sees some amount of play in Modern, but not really in other formats, weirdly enough
Even with these splashes, the core of the deck is red, which is why I might consider Razorkin Needlehead as a sideboard option from Duskmourn
Ragavan, Nimble Pilferer still remains quite a popular option Modern
Dicebreaker has reached out for more information
Most importantly, because effects on a card are completed in the order they are printed, you can retrieve the card you place into your graveyard with Mythos of Brokkos