Still, we know Simic is the strongest color combination in the format right now, and it's very likely there's a good Simic or Sultai shell that can make Uro work
They also have cycling and saw lots of play during their time in Standard since they have basic land types and can enable check lands like Dragonskull Summit
Doubling Season, a very common enabler in these archetypes, can even double the counters on Cristophe while creating larger boards for him to maximize his value
It can get more powerful based on your opponents, and takes whites infelicitous identity as a catch-up color the tendency for white cards to only ever bring you up to parity if youre behind, but never break parity and tweaks it to the right power level
The real power comes in, though, when the abilities are combined with Oko's three-mana casting cost and loyalty values
Creatures (13) Lands (26) Spells (21) Whats it good with