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
FromTheShire: Low opportunity cost on a great protection spell, excellent
Granted, Professor Oak comes along with the stipulation that you must discard your hand first
While Blood Moon is best known for its role as one of the most brutal hate cards in Modern and Legacy (both in sideboards and maindeck)
Leaving your cards in a hot car, near a heating vent, or even experiencing drastic weather changes can all contribute to this temperature rollercoaster
Of these options, the Giratina ex Deck , Beedrill ex Deck , and Charizard ex Deck will give the best results