Commons-only including the common hybrids sounds fine to me.
Common hybrids aren’t all that difficult to evolve, given the short hatch and creation chamber times.
But at the end of the day, those who’ve invested time and effort to develop their legion of dinos shouldn’t go unrewarded much less punished for their hard work and consistency.
A variety of restricted and unrestricted tourneys sounds to me like a good way to go.
Newbies expecting to scale Everest 3 months in are naive, unrealistic and incredulous.
Fighting AI addresses this well, I think, since we aren’t fighting one another.
You gotta clear certain thresholds to make it to predator or dominator leagues.
Takes grit and grind to get to those thresholds and beyond.