That player wont exile a creature they control instead
Being a creature beholden to removal and summoning sickness makes this weaker than the enchantment but its far more accessible and is still great for decks that want a repeatable tutor or a way to keep throwing creatures in the graveyard
This allows Constant Mists to be a recurring problem for your opponents, and its Buyback cost can be mitigated by cards such as Crucible of Worlds or Ramunap Excavator
Since damage is dealt by the creature, abilities like lifelink, deathtouch and infect are taken into account, even if the creature has left the battlefield by the time it deals damage
The tier is rife with political dealings, silly cards, foiled out decks and beautiful commanders with alternative art work
In Black, that usually means sacrificing a 2/2 zombie or sacrificing creatures is what you want from your deck