Crota, Son of Oryx

Your Opponents can't gain life.
Crota, Son of Oryx can't attack or Block unless
you control 8 or more Hive permanents.
Crota, Son of Oryx can't be destroyed by combat damage.
When Crota, Son of Oryx enters the battlefield, destroy up to 2 target creature.
When Crota, Son of Oryx dies, target opponent loses 10 life unless he or she sacrifices or discards 6 cards.