Madoka, Magical Girl

Flying, vigilance
Hand in Hand —At the beginning of your end
step, reveal cards from the top of your library
until you reveal an Angel creature card. Exile
that card and shuffle the rest into your library.
You gain life equal to the exiled card's toughness.
Ultimate Wish —{w}{u}{b}{r}{g}, {t}: Exile Madoka,
then return her to the battlefield transformed.
Activate only as a sorcery.