Noozelus, Oze'Foodzelus

At the beginning of each upkeep, create a Food
token.
Whenever you Sacrifice a Food token, you may
pay {1}{u/b} and draw a card. (once each turn.)
{5}{b/g}: Target Food token is sacrificed, triggers,
and then you create an x/x green Ooze creature
token where x/x is the number of Food tokens
you control.