Virydeen, Queen of the Vale

Flying
{x}{g/u}: You may move X +1/+1 counters from any
number of creatures to any others. You may also decide if any counters are negative or positive
during the transition from one creature to
another.
At the beginning of any upkeep put a +1/+1
counter on target creature you control.
"Growth or wither, come here hither" —Virydeen