Simic Descendancy

{u}{g}: Put a +1/+1 token on target creature
you don't control.
Whenever one or more +1/+1 token is put on
any creature, add that many growth tokens to
Simic Descendancy. At the beginning of your
upkeep if Simic Descendancy has 20 or more
tokens, you win the game.
"Wheres the dice box...?"