Making the deck "better" inevitably means cutting back on the janky Elephants (aka 99% of them) and replacing them with boring good cards, which defeats the point
Beyond that, the Disassemble ability is pretty interesting and could be helpful if the Lorcana meta gets to be too out of hand with items
Summon: Anima Rating: 6/10 One of the best scenes in Final Fantasy X is when Seymour summons Anima for the first time
Nothing else (to my knowledge) doubles the amount of mana each Treasure provides, and the fact that both of its first two levels can ramp you to reach the third makes this one of my favorite internally synergistic cards from the set
(It is possible, though, to get commons and uncommons in other slots.) Traditionally, in a Draft Booster, you get ten commons and three uncommons
None of these are all that complicated, but they tap into the core identity of each color in memorable ways