Even split black white decks tend not to add much over a splash and are typically awkward on the mana base
You can excavate an EX or GD copy of the card for your collection
Both Acidic Slime and Amphin Mutineer are good forms of removal in this deck, especially if youre able to double up their triggers
Given the quantity of high mana value equipment worth playing is quite low and how a number of them are legendary having a clone effect is a useful way to double up on important equipment
Also, this is not limited to this card, but even if you cast it for its Impending cost, it counts as casting a spell with the regular mana cost, so you can trigger effects that happen when you cast spells with mana value 5 or greater from Eldraine
Further, in appealing to the less-invested player and trying to offer ways to play that dont rub people up the wrong way, theres a danger that the format stagnates around an acceptable idea of midrange value piles