Nerothrax, Reaper's Breath

Flying, Double Strike, Wither

Nerothrax gets +1/+0 for each creature with a -1/-1 counter on it.

Whenever Nerothrax attacks, distribute X -1/-1
counters amongst any number of creatures where X
is the number of creatures sacrificed this turn.

Whenever Nerothrax deals combat damage to a
player, proliferate.