Nykthos, Warrior of Nyx

Lifelink

Whenever you gain life, you may put that many +1/+1 counters on each creature you control. Only activate this once per turn.
{1}{w}{g}{t} All creatures you control gain trample until the end of your turn.

An anomaly associated with dreams, Nyx is a literal and proverbial night sky where the gods dwell.