+1: You gain 2 life and draw a card.

-3: Create a 4/4 white Angel creature token with flying and vigilance. Then put a +1/+1 counter on each creature you control.

-8: Exile Serra the Benevolent and return her to the battlefield transformed.

Flying, vigilance, lifelink

Whenever Serra, God of Pure Good enters the battlefield or attacks, create a 4/4 white Angel creature token with flying and vigilance. Then you may put a lifelink counter on each creature you control.

Each Angel you control gets +1/+1 for each lifelink counter on it.

At the beggining of your upkeep, if you have 60 or more life, you win the game.