Saga creatures follow all the same rules that other Sagas do, writes WotC's Matt Tabak in the official article about Final Fantasy x MTG mechanics, and is also a creature and can do everything a creature can do. Simply put, summons are three types of cards (enchantment, creature, and saga) rolled into one
Playing Wrenn and Six on Turn 2, makes you feel so ahead and there arent many interactions to it (except for exactly Pierce or Snare) if youre OTP
Getting these characters in play makes it difficult for opponents without the right cards to get rid of them, making it possible to rack up some lore without interruption
This Trainer card is completely impractical, inflicting Confusion on the users own Active Pokmon
What keeps even these cards in demand is the pull toward a complete nine-card set Eevee and all eight evolutions
It's worth bearing in mind that none of these decks are likely to hold up against a custom-constructed deck - there are way more powerful deck lists floating around the Disney Lorcana meta right now