The Human Six and Puppy Spike's superhero egos for Power Pony Day.
Princess Twilight cast a spell on their suits that allow them to have new powers with their geode powers.
Sci-Twi as Time Star
Rainbow Dash as the Aurora Bird
Rarity as the Rare Switcheroo
Fluttershy as Yellow Misty
Applejack as Lasso Mane
Pinkie Pie as Pink Rubber
Spike as Second Hand
Art for Dupontsimon's MLP:EG Choose Your Own Magic Ending: Power Pony Day.