Belmas, the Hungerer

At the beginning of your upkeep, sacrifice another creature. If you do, put two +1/+1 counters on
Belmas, the Hungerer.
Remove a +1/+1 counter from Belmas:
Choose one- Exile target card from a graveyard; or Belmas gains deathtouch until the beginning of the next end step; or target creature blocks Belmas this turn
if able; create a 1/1 green Saproling creature token.