Thud, Demonic Initiate

Thud, Demonic Initiate's power & toughness are
each equal to the number of demons you control.
{t}: Exile the top card of target players library.
Pay 1 life: You may play a card exiled by Thud
without paying its mana cost. Except it's a 1/1
black demon bird creature in addition to its
other types with "when this creature dies, each
player looses 1 life."