Fientli, Mad Forlorn

When you cast Fientli, Mad Forlon it deal 1
damage to each creature, it enters the battlefield
with a +1/+1 counter on it for each creature that
died this way.
Whenever this creature attacks, it deals 2 damage
to each creature, put a +1/+1 counter on it for
each creature that died this way.
This creature has flying, first strike and menace
if a counter was put on it this turn.