Hal'gath, Mage's Scourge

Flying
Whenever a player would cast a spell that targets you, a spell, or a permanent you control, Hal'gath, Mage's Scourge deals 4 damage to that player.
If an effect of another permanent targets
you, a spell, or a permanent you control,
Hal'gath, Mage's Scourge deals 4 damage to that source.