+1: You gain 2 life.
−1: Put a +1/+1 counter on each creature you control. Those creatures gain vigilance until end of turn.
−6: Create a white Avatar creature token. It has "This creature's power and toughness are each equal to your life total."
10/1/2007 The vigilance granted to a creature by the second ability remains until the end of the turn even if the +1/+1 counter is removed.
10/1/2007 The power and toughness of the Avatar created by the third ability will change as your life total changes.