Boltreaver Astalos

Flying, Paralysis, Vigilance
Enrage— At the end of your turn, for every
creature inflicted with Paralysis or Mega
Knockdown, add a +1/+1 counter to this
creature
{4}{w}: This creature gains Mega Knockdown, this ability stacks with Paralysis
{8}{w}{u}{r}: Destroy all creatures with Flying
that target opponent controls,put a +1/+1
counter on this creature for all creatures
destroyed