Updated on July 26, 2022, by Paul DiSalvo: While the Commander format allows players to flexibly build decks around their favorite legendary creatures, the Partner mechanic provides an additional layer of creative freedom in the deck-building process
The Imp is also a very safe evasive damage tactic
Apparently, it was a thing back then to sign ones cards so that if they were ever stolen, it would be easy to identify who the true owner is
As such, unless there's a bunch of spicy things in graveyards that folks feel they can get their hands on (and they don't understand that you could just steal them out from under them with your copies that resolve first), I would expect most people to say no to letting you copy reanimation spells, and I think that they would be right to do so
This card helps solve that problem, acting as both early interaction and a late-game finisher