Rootarog, Life Bestowed

When Rootarog, Bestowed with Life enters the battlefield, create X green and white Elemental creature tokens with Vigilance and Trample. Their power and toughness are each equal to the number of other green white creatures you control. X is equal to half the number of monogreen and monowhite creatures you control, rounded down.
When he first gained life, all he wanted to do was create more for others.