Demonic Scourgelord

Trample, haste, rampage 2
{b}{b}: Deathtouch until end of turn.
Whenever a creature dealt damage by Demonic Scourgelord this turn is put into a graveyard, put
a +1/+1 counter on Demonic Scourgelord.
Demonic Scourgelord's power and toughness are
each equal to the number of black and
red creatures in play.