Celimbra, Absorber of Souls

{x},{t}: Exile target creature with one or more keyword abilities that Celimbra, Absorber
of Souls does not have where x is that creatures' converted mana cost plus the
number of keyword abilities on Celimbra, Absorber of Souls, then Celimbra, Absorber
of Souls gains those keywords and adds its
power and toughness to its own