Duskborne Predator

Deathtouch
Whenever Duskborne Predator deals combat
damage to a player, you may sacrifice another
creature. If you do, put a +1/+1 counter on
Duskborne Predator and each opponent loses
2 life and you gain 2 life.
{1}{b} Sacrifice a creature: Duskborne Predator
gains indestructible until end of turn.