Ephara, Stabalizer

Indestructible
As long as your devotion to white and blue is
less than seven, Ephara isn't a creature.
Whenever you gain life for the first time each
turn draw that many cards.
{2}{w}{u}: exile target creature you control.
Return that creature to the battlefield under its
owner's control at the beginning of the next
end step. gain life equal to its toughness.