Cute Caterpillar

{g/u}{g/u}: Cute Caterpillar becomes a cocoon
with base power and toughness 2/3.
{g/u}{g/u}{g/u}: If Cute Caterpillar is a cocoon, put
a flying counter on it and it becomes a Butterfly
with base power and toughness 4/4
{g/u}{g/u}{g/u}{g/u}: If Cute Caterpillar is a Butterfly,
put two +1/+1 counters on it and it gains
"Whenever this creature deals combat damage to
a player, draw a card"