While not completely unplayable, I just dont think this has a home outside of Constructed decks
Four of the included cards are reprints from The First Chapter, which fully released at the beginning of Septemeber: Genie, Powers Unleashed
Sadly, she is not well-positioned at the moment
The main villain of the set, Sheoldred's abilities certainly convey how threatening she is, turning a normal game action into doom for your opponents
Creature - Shapeshifter Color tag templates(None) Emrakul's Messenger Devoid (This card has no color.) Flying Whenever you draw your second card each turn, create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this token: Add ." Creature - Rogue Faerie Eldrazi Color tag templates(None) Esper Sentinel Whenever an opponent casts their first noncreature spell each turn, draw a card unless that player pays , where X is this creature's power
Scourge of the Throne, meanwhile, is best used in dedicated Dragon tribal decks where it can benefit from cost-reduction effects or tribal synergy, and the extra combat steps and +1/+1 counters from the Dethrone ability are merely bonuses that push strong Dragon decks over the top