Nysha, Elday's World

Nysha, Elday's World enters the battlefield with
X +1/+1 counters on it.
Whenever you cast a green spell, put a +1/+1
counter on Nysha.
"This world... is MINE. YOU will not lay a finger
on it. Hear me, Yokai. You're nothing compared to the
Guardian of the wild!"
-Elday, the Guardian