Xetriel, Charitable Angel

Flying, First Strike, Vigilance
When Xetriel, Charitable Angel enters the battlefield, each player draws a card and gains 2 life.
During each players draw step, that player draws an extra card and gains 2 life whenever a card is drawn.
For each card drawn that is not the first card drawn this turn gain 1 soul charge, then if you have 5 or more charges, Transform Xetriel, Charitable Angel.