Palutena, Goddess of light

Eminence—As long as Palutena, Goddess of light is in the command zone or on the battlefield, other angel creature spells you cast cost {w}{w} less to cast.
Flying, vigilance, lifelink, protection from black and red, indestructible
At the beginning of your upkeep, destroy all non angel creatures on the battlefield, if your devotion to white is 7 or more.