I'm both for and against this idea.
I really like the idea of rarer pets! like many say; it's a great way to let newer players have a chance at rares, and it makes trading for older players more exciting. (at least that's the hope/goal)
however too many rares would just become taxing to trade every month and would eventually start to lose meaning. I think a rare pet every once in a while, maybe every three/four months, would be ideal. it's enough to be special but not too often to become tiresome.
my main concern however is HOW rare the pet will be. the pps lion for example is so rare you basically have zero chance of getting one unless you overpay massively for it. the golden catcha dog took me a while but it was still doable eventually, while I have no hope of ever getting the special lions (yes, there was more than one that year). as someone who would like to have a somewhat complete collection it bugs me a lot that they are extremely rare.. if the specials are just rare then it's absolutely fine, their special nature will make them hard enough to trade for–and that's a good thing! the exclusivity of them will make them popular, while still being available in decent quantity means it'll be more accessible to trade for without the need for massive overpays. (unless they're lions, I swear those ER releases are the reason people still go crazy for lions..)
in terms of looks I think it should stay within the same species/design as the rest of the litter, but stand out enough that it is still recognizable as a special pet. the golden catcha is again a very good example! making it a different species, like the lions in the cat litter, just makes it...well, it makes them too special, if that makes any sense. imo it's more fun to be able to see exactly what litter the special pet came from, rather than it looking like a UR but it's not actually a UR. (and no this is not me saying I'd prefer URs instead, I really don't. my reasoning already explained above)
TLDR of my personal thoughts;
once every few months, not too often.
make it in theme with the litter, no different species.
make it look special, not just a randomly selected outcome.
make it a rare, not VR/ER/UR.




















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