Love Ascendancy

{1}{r}{g} : Put a +1/+1 counter on target creature
you control.
Whenever one or more +1/+1 counters are put
on a creature you control, put that many growth counters on Love Ascendancy.
At the beginning of your upkeep, if Love
Ascendancy has twenty or more growth counters
on it, you win the game.