Pygmy Hydra

Pygmy Hydra enters the battlefield with X +1/+1 counters on it.
Pygmy Hydra gets -1/-0 and gains flying if a creature an opponent controls has flying. The same is true for indestructible, hexproof, deathtouch, menace, prowess, first strike, doublestrike, skulk, lifelink, vigilance, intimidate, and reach.