An-Zerrin Reborn

When An-Zerrin Reborn enters the battlefield,
choose a creature type. Untap all creatures of
the chosen type. They get +1/+1, Vigilance and
First Strike.
{5}, {t}: Reveals cards from the top of your library
until you reveal a card of the chosen type. Put
that card into your hand and the rest on the
bottom of your library in a random order.