Abzurath, the Cruel

Flying, fear
At the beginning of your upkeep, sacrifice
Abzurath, the Cruel unless you pay {w}{b}{g}.
Whenever a nontoken creature is put into a
graveyard from the battlefield, you may exile it.
If you do, put a +1/+1 counter on Abzurath.
"My word is law! Obey me or die!"