Kefka, God of Magic

Flying, Vigilance.
Kefka has all abilities of cards used to meld into it.
Kefka cannot be exiled or sacrificed, and effects that say "destroy" do not destroy it.
Ultima - {x}{r}, {t}: Kefka deals X damage divided as you choose among any number of target creatures.
Vengeance - {4}{u}, {t}: All other creatures lose hexproof, indestructible, shroud, ward, and protection.
Forsaken - {5}{b}{b}{u/r}, {t}: Kefka deals 5 damage to each opponent and each other creature. Activate only if y