While I think that seven mana is expensive to get something that does nothing on its own, you can always cast Fractured Realm first and then cast Mirror Room in order to make two Reflections for the price of one
The difference isnt much, but what if that card is a game winning Rare Candy, or even an Irida to search out whichever pieces you are missing
When played, all three cards force the opponent to place the opponents Character cards at the bottom of the deck, disrupting the opponents offensive strategy
The Story mode does help to remedy the problem of being able to turn off the GBA if you're losing a duel in order to stay undefeated - so that's a plus
Ultimately, I compare this deck with the other WUBRG that has released this year, and in doing so, it became much clearer where the two stack up against each other and the rest of this list, and Turtle Power falls into the lower half as a result