Kobal, Mocking Demon

Kobal, Mocking Demon enters the battlefield with X +1/+1 counters.
{ut} : Target player exchanges life total with this creature's toughness.
Eternalize {5}{b}{g}{u} ({5}{b}{g}{U}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Demon with no
mana cost. Eternalize only as a sorcery.)