In most instances, Exiling a card still gets rid of it for good
The final Incarnation in this brew is a 5-drop 4/4 that will let you spend three mana in your upkeep to bring back any creature from the graveyard to your hand as long as it's in your graveyard as well
As for spells to flash in, you can do so much with a surprise Narset, Parter of Veils in response to a Brainstorm, an unexpected Elesh Norn, Grand Cenobite when an opponent swings out at you, or a sudden The One Ring when somebody tries to take you out
Then when you cast your first enchantment each turn you draw a card, so she is a Vesuvan Enchantress in the Command Zone but just once
I would have also liked to see a Combust or a Fry for Red's Blue/White hoser, but they instead went with Mindsparker, which is an interesting choice when they also have choices like Devout Decree and Deathmark, which are very powerful removal spells