Kiara Sessyoin

{1}{p/w}: Put a +1/+1 counter on target creature.
{1}{p/b}: Put a -1/-1 counter on target creature.
{1}{p/w}{p/b}: Proliferate. (You choose any number of permanents and/or players with counters on them, then give each another counter of a kind already there.)
"Suffering and pleasure are one and the same.
Such is the spice of life."