Ohab, the Arrogant

Trample
Hexproof from Green, White and Black.
At the beginning of your upkeep lose 2 life or sacrifice a permanent, or discard a card.
Whenever you lose life put a
+1/+1 counter on Ohab.
Whenever your opponent loses a permanent
put a +1/+1 counter on Ohab and lose 2 life.
You can't gain life.