Malfegor, Hellfire Reborn

Flying, double strike
Whenever you sacrifice a permanent, Malfegor,
Hellfire Reborn gains +1/+1 and you gain 2 life.
When Malfegor, Hellfire Reborn comes into
play, you may sacrifice X permanents, if you do,
discard X cards, draw X cards.
"My breath will burn the skies! My talons shall rend
your armies! I, Malfegor, have returned!"