While its true that this Rocco exiles cards for everyone at the table, this just means that your opponents have a much higher incentive to fight amongst themselves while you reap the rewards in the form of +1/+1 counters and Food tokens
The reason this happens is because cards don't retain any knowledge of their past when exiled, and so default back to the untransformed state when they re-enter the battlefield.
Whether it be transforming cards, werewolf cards, battles, or sagas, once Wizards of the Coast broke down the barrier of printing something different on the backside of cards, the floodgates have opened and "flip cards" galore have since been printed
IMG_2936822983 256 KB IMG_2937637956 183 KB pfm August 29, 2024, 5:54am 2 It seems like Dark Mewtwo is Japanese and Shadow Mewtwo is the US/English version Dark Mewtwo (JPN)14262400 654 KB Shadow Mewtwo (ENG)14262400 563 KB Dark Mewtwo (JPN)14382400 517 KB Shadow Mewtwo (ENG)14262400 476 KB ElijahtheTraveler August 29, 2024, 7:44am 3 I forgot about dark mewtwo
In fact, its so rare that the few players who have it may not want to play with it, lest its value decrease
These cards are more likely not examples of cards with errors since the inscription on them was made so that they were not released for sale and were intended only for printers
