Vibrant Peacock

When Vibrant Peacock enters the battlefield, tap target creature.
If your devotion to green is greator than four, put two +1/+1 counters on Vibrant Peacock and gains flying.
Whenever a creature you control dies, put a -1/-1 counter on target creature you don't control.
"The Vibrant Peacock is never seen without preening its feathers. Nobody comes without wondering at its color."