The Doom Slayer

Trample, Vigilance
Doom Slayer gains +1/+1 for each Demon, Devil, and/or Imp your opponents control. Whenever
a Demon, Devil, or Imp your opponent controls
dies they loose 1 life and you may put a +1/+1
counter on Doom Slayer.
{b/r}{x}: Target opponent creates X 1/1 Red and
Black demon creature tokens.