Bear in mind that neither of these were ever expected to be seen by the public eye, so these arent mistakesthey are just attempts to see every possible permutation before announcing a change to the public
Being combined with tempo cards of the day like Winter Orb, they'd make the cut in powerful decks called "Frozen Fish" and then after the first typal set ever printed, Fallen Empires pushed the Merfolk creature type as a supported group even more
Between Treasure, Clues, Blood, and Scrap (?!), there have never been more ways to leverage Daretti
What Are the Best Generation 1 Pokemon Cards
Companion is busted, and there are Lutri decks in 60-card formats, which gets easier as WotC continues to print redundant versions of different card effects