Simic Ascendancy

{1}{G}{U}: 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 Simic Ascendency. At the beginning of your upkeep, if Simic Ascendency has twenty or more growth counters on it, you win the game.{/fontsize-14}