Nissa, Healer of Kaladesh

+2: Create a 2/2 wolf artifact creature token with lifelink
0: Create X 3/3 wolf creature tokens with lifelink and vigilance where X is equal to the number of wolf artifact creature tokens you control.
-X: Create X 5/5 wolf warrior creature tokens with "When this creature attacks, draw a card and create an X/X wolf with vigilance and lifelink"