Honestly this was a fantastic idea as many people are going to love the Giant Fairy play-mat given that cards popularity
So for a Bodyguard, Bagheera Guardian Jaguar has good stats, the 4 Strength means your opponent cant attack recklessly without their attacker getting banished in the process

Common 133 Tangle Common 134 Poisoned Apple Rare 135 Shield of Virtue Uncommon 136 Sword of Truth Rare 137 Ariel, Whoseit Collector Rare 138 Aurora, Briar Rose Common 139 Aurora, Dreaming Guardian Super Rare 140 Aurora, Regal Princess Uncommon 141 Belle, Inventive Engineer Uncommon 142 Belle, Strange But Special Legendary 143 Chief Tui, Respected Leader Uncommon 144 Donald Duck, Strutting His Stuff Common 145 Flounder, Voice of Reason Common 146 Gramma Tala, Storyteller Uncommon 147 Hades, Infernal Schemer Legendary 148 Jasmine, Disguised Common 149 Jasmine, Queen of Agrabah Rare 150 Maleficent, Sinister Visitor Common 151 Maleficent, Uninvited Rare 152 Maurice, World-Famous Inventor Rare 153 Merlin, Self-Appointed Mentor Common 154 Mickey Mouse, Detective Common 155 Mufasa, King of the Pride Lands Common 156 Philoctetes, Trainer of Heroes Common 157 Robin Hood, Unrivaled Archer Super Rare 158 Scar, Mastermind Rare 159 Tamatoa, So Shiny

Yen Sid would probably be upset seeing Mickey as a powerful sorcerer, no longer an apprentice made to clean up after the older magic user
Theres no interaction with your opponent
Sure, there are amethyst cards that exert characters to make them targets, but the rewards seem disappointing compared to what the new Emerald/Steel starter deck can pull off