Caius the Mega Monarch

When you cast Caius the Mega Monarch you may sacrifice another black creature.
When this card enters the battlefield, exile target card on the battlefield and deal 10 damage to it's owner. If you exiled a black card then also exile all cards of the same name from the hand, library, and graveyard of the player who controlled it.
If you sacrificed another creature when you cast this card then you may target two cards instead of one.