Presence of the Sky Nomad

If your starting deck contains at least 15 artifact
and/or enchantment cards, you may pay {3} and
put Presence of the Sky Nomad from outside the
game into your hand at any time you could cast a
sorcery.
{w/u}{w/u}: Return to the battlefield all creatures
exiled with Presence of the Sky Nomad, then you
may exile target creature you control.