Disgruntled Buzzard

Flying
When Disgruntled Buzzard enters the battlefield, it deals 1 damage to each creature your opponents control. Put a +1/+1 counter on Disgruntled Buzzard for each creature that died this way.
Madness {1}{b}{r}(If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)