Elspeth, Angelic Guardian

+2: Put three 1/2 white angel creature tokens with flying and vigilance onto the battlefield. You gain 1 life.
-2: Elspeth, Angelic Guardian becomes a 6/6 white guardian angel creature with flying, vigilance, and trample until end of turn.
-10: You gain life for each creature on the battlefield and in each player's graveyard.