Azazel, Demonic Angel

When Azazel, Demonic Angel enters the battlefield, you may tap target Demon you
control and target Angel. If you do, draw a card,
and lose 2 life.
{t}{x}: You may change this creature's subtype to
either Angel or Demon. If you do, Azazel
destroys 2 creatures. You gain X life.
"And you will know my name is the lord,
when I lay my fingers upon you."