Veteran Fiend Slayer

Vigilance, Protection from Black
Veteran Fiend Slayer can't be sacrificed.
Whenever an opponent sacrifices a creature, put two +1/+1 counters on Veteran Fiend Slayer.
Remove 6 +1/+1 counters from Veteran
Fiend Slayer: Exile Target Demon or Devil. This ability has Split Second.