Silumgar, the Murderous

Flying, deathtouch, haste
When you cast Silumgar, the Murderous, sacrifice
a creature. When Silumgar, the Murderous enters
the battlefield, it deals X damage divided among
any number of targets, where X is equal to the sacrificed creature's power.
At the beginning of your upkeep, lose 6 life.
"All things answer to Death, and I am he."