To even up the scales I started looking through constructed decks across many formats and did the same
Rafiq of the Many Rafiq of the Many does a whole lot of fun things as soon as he arrives on the battlefield
It's this scarcity that makes them so highly desirable though, with some players using them to flex their incredible luck (or, in a lot of cases, the thickness of their wallets)
recovery for Nami's primary color
Not quite sure about the SM promos, but the SWSH copies were distributed to participating stores in sealed 50-(or 100?-)card decks, so if youre really picky on card condition, you might want to bring some sleeves so that you can sleeve the cards as soon as possible, and (if you planned to get multiple copies) get the cards from different shops instead of getting all copies from the same shop, as they may share the same damage (like if an employee drop the whole deck on the ground and left corner damage on all cards)
It also takes effect instantly and only costs one blue mana, which makes it an amazing way to shake up a game and one-up your opponent in a pinch