My thought is that when we run into back stamp cards whatever card that was on the opposing sheet (card front) was effected in one of two ways
This theoretically gives it more utility than its peers, but it still doesnt see a ton of play, and is a $1.20 card as a result
It's an entertaining one that works really well in formats where you can easily put cards back in your hands, and is especially good on legendary cards because it keeps extra copies of them from being redundant
Like a lot of folks, I was concerned a broken Planeswalker or two would have made it into the War of the Spark file, but the thirty-six walkers of that set, even Teferi, all paled in comparison to the boogeyman from autumns Eldraine: Oko, Thief of Crowns
The card has a shiny surface and is covered with tiny, reflective holo dots