Serra, Angel Ascendant

+2: Create X 4/4 Angel creature tokens with flying, where X is your devotion to white.
-3: Place +1/+1 counters on creatures you control. Until end of turn creatures you control with counters gain vigilance, first strike, and lifelink.
-11: Create an emblem with "Serra, Angel Ascendant becomes a creature with power and toughness equal to her loyalty. She is still a Planeswalker."