Stenidus, Simic's Hubris

Trample
Whenever another creature Evolves or Adapts,
you may put that many +1/+1 counters on
Stenidus, Simic's Hubris.
This ability activates only once per turn.
Enrage—Whenever Stenidus,
Simic's Hubris is dealt damage, distribute X
+1/+1 counters among up to X creatures,
where X is half the damage dealt, rounded down