Becca, Colorful Champion

+1: Create a 1/1 Light Sprite creature token with "Other Light Sprites get +1/+0" that is all colors.
-2: Each creature takes X damage, where X is the amount of colors less than 5 it is.
-10: Each white creature you control gets a lifelink counter, blue flying, black deathtouch, red haste, and green trample.