Hades

({t}: Add {r}, {w}, or {b}.)
Hades enters the battlefield tapped unless a
creature entered or left your graveyard this turn.
{r}{w}{b},{t}, Exile Hades: Search your library
for a creature named Hades, God of the
Underworld, and put it onto the battlefield
under your control.
Dark throne, underworld's keeper, Hades
reigns, silent, deeper.