Kaalia, the Cursed

Whenever Kaalia, the Cursed is put into your
command zone from anywhere, you may exile
the top six cards of your library. For each Angel,
Demon, or Dragon creature card exiled this way,
return Kaalia to the battlefield and look at the
top card of your library. If its an Angel, Demon,
or Dragon permanent card, you may put it onto
the battlefield tapped.
Players cant sacrifice creatures.