Miia

At the beginning of each end step,
put a scale counter on each creature
you don't control.
Creatures you don't control get -1/-1
for each slime counter on them.
Whenever a creature you don't
control with a Scale counter on it
dies, create a 0/1 green Lima creature token.
{w}{g}, {t}a green 0/1 Lima tokens:
Draw a card