Resilient Khenra [Hour of Devastation Promos]

When Resilient Khenra enters the battlefield, you may have target creature get +X/+X until end of turn, where X is Resilient Khenra's power. Eternalize {4}{G}{G} ({4}{G}{G}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a 4/4 black Zombie Jackal Wizard with no mana cost. Eternalize only as a sorcery.)