Albedo

Flying, lifelink
At the beginning of your endstep, if you gained
5 life this turn or you control an Ainz Ooal Gown
planeswalker transform Albedo.
"The leader of the guardians, Albedo. I bow
before the supreme one. Please bestow your orders
upon us, Supreme One. We offer our complete
loyalty to you."
—Albedo