Solemnity prevents counters from ever being put onto enchantments you control, giving you a perpetual creature-exiling effect every turn
Repeated instances of paying the mutate cost will get expensive (especially with the double blue requirement), but fortunately youre in a color that has some bounce capability
Alternatively, you could play Sheriff of Nottingham, Corrupt Official with Simba, Fighting Prince - whose ability, Step Down or Fight, gives players the option to draw two cards and discard two cards whenever they banish another character in a challenge, or The Queen, Disguised Peddler, which allows you to tap it to discard a character to gain lore equal to the amount of lore that character can gain
(1) Send 1 "Power Patron" monster from your Deck or Extra Deck to the GY, then you can add 1 DARK Fairy monster from your Deck to your hand, also you cannot declare attacks this turn, except with "Power Patron" monsters