Biggest issue is that the Mystic Reflection does not help you develop your devotion or keep your opponent from killing you, which makes the deck a bit too slow/clunky
These tools give you a real-time look at what your cards are worth, so you know exactly when to buy, sell, or hold
Ive already mentioned how Aetherflux Reservoir will just pound your opponents with extra damage, or you can try the cheesy route and go for the Felidar Sovereign or Triskaidekaphile route
Eddie Brock/Venom, Lethal Protector Eddie Brock/Venom, Lethal Protector was always likely to be popular thanks to the legacy of the character, but its a fun card, too
The other is Extract of Steel, which for 1 cost lets you banish the item and give one of your characters Bodyguard until the start of your next turn