Read more about how to play the Jellicent/Gardevoir ex deck via my guide.
That means at higher rarities: Cloud, Midgar Mercenary Gilgamesh, Master-at-Arms Firion, Wild Rose Warrior (free 1/1s with job select) Freya Crescent Giott, King of the Dwarves Adelbert Steiner Zidane, Tantalus Thief is also an exceptional card, even without any direct synergy
Lord of Horses
2: Ouroboroid This cards made to scale and in the right deck, it can get out of hand fast
That said, it'll most often be your own creature targeted with this spell, as you can't control what critters your opponents play, but you can play out your own in such a way to get the biggest benefit
Anguished Unmaking Destroying a threat is good, but exiling a target is better: Those pesky death triggers won't trigger (because exiling ain't dying!), and most decks have no way to profit from exiled cards (unlike cards in the graveyard, which some decks are thrilled to have)