Luthwin, Fulfiller of Sacrific

{b}{b}{t}, Sacrifice Two Clerics: Pay X life and
return a Demon or Devil whose Converted
mana cost is less than or equal to X from
your graveyard to the battlefield .
{w/b}{t}, Sacrifice a Demon: Return a number of
humans to your hand equal to the power of the
Demon Sacrificed by this ability.