If you run the original Saheeli and a blink package, you can always go with Felidar Guardian if youre into combos, which is helped by the precon coming with Panharmonicon
For five mana he's able to exile himself, pulling every single 'Party Guest' card from your deck and putting them all onto the battlefield
Theyre not essential, but can add value if they fit your strategy
Hydra Deadly Serpent Jim Hawkins Thrill Seeker Although much less exciting than his Legendary card counterpart, this version of Jim Hawkins is nonetheless powerful, with an impressive strength stat and low ink cost
This is where Esper Control became a permanent part of my competitive life and my starting place when brewing for a new format
I don't believe this iteration on Niv-Mizzet is as powerful as some previous versions of the creature, but that isn't keeping the Dragon Wizard's price down all that much