Hound of Bolas

Afflict 2 (Whenever this creature becomes blocked, defending player loses 2 life.)
Whenever Hound of Bolas attacks and isn't blocked, it deals 2 damage to a target creature or planeswalker defending player controls.
Eternalize {3}{b}{r} ({3}{b}{r}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Demon Hound with no mana cost. Eternalize only as a sorcery.)