Better yet, due to how Replicate works (the copies go on the stack individually and resolve individually), counterspells are useless against it
Uncivil Unrest also gives all your nontoken creatures Riot, meaning they enter with a +1 Counter or haste, either one of these are great options for a deck that is built around attacking your opponents and having +1 Counters on your creatures
Im not saying we should remove all cost reducers from Spellslinger decks entirely, but I do believe they see a disproportionate amount of play relative to their impact
Rising Waters was the core of the last top level Prison deck, using overpriced versions of several components to gain favorable or even match-ups against everything else in the format
With this in mind, it feels somewhat likely that Traveling Chocobo may fall in value somewhat, but that remains to be seen