Lux Eterna

Flying, Lifelink, Haste, Indestructible.
Protection from black, red, blue, and green.

Cleanse (Pay {w}{w}{w} and {t} to exile a target permanent of your choice that has black in its mana cost.)
This card has an infinite mana cost unless
you control 6 white permanents.

"From heaven's gate comes the angelic warship."