Kaisa, Daughter of the Void

{1}: Kai'sa, Daughter of the Void's base power
and toughness becomes 4/4
{2}: If Kai'sa, Daughter of the Void is a 4/4, she becomes a 5/5 with flying
{3}: If Kai'sa, Daughter of the Void is a 5/5
with flying, she becomes a 7/7 with flying and first strike.