Azul, sorcerer of the dead

Flying, Hexproof, Vigilance
spirits you control get +1+1
When "Azul, sorcerer of the dead"
attacks create a 1/1 spirit knight
token with flying tapped and attacking.
{b}{b}{1} create a 1/1 spirit knight token
with flying.
{3}sacrifice a creature you gain 2 life.
{3}{b}{b}"Azul sorcerer of the dead" cant be
blocked this turn.