Welcome, everybody! This gets particularly interesting with Simic Ascendancy– if you cast, for example, a huge Hydroid Krasis, then it entering with X counters will put X counters on Simic Ascendancy too! ...

Does Simic ascendancy work with hydras?

Primordial Hydra - Late game threat that can be summoned very early as an early blocker and interacts with Simic Ascendancy to stack counters.

Can you proliferate Simic ascendancy?

If you Proliferate, each creature gets an additional counter and Simic Ascendancy gets an additional counter, bringing it up by 4.