Ascendant Spirit

{s}{s}: This creature becomes a Spirit Warrior with base power and toughness 2/3.
{s}{s}{s}: If this creature is a Warrior, put a flying counter on it and it becomes a Spirit Warrior Angel with base power and toughness 4/4.
{s}{s}{s}{s}: If this creature is an Angel, put two +1/+1 counters on it and it gains "Whenever this creature deals combat damage to a player, draw a card."