On top of that, you may also want to include some creatures that ramp such as Solemn Simulacrum , Burnished Hart, Palladium Myr, etc
Save it for Rhystic Study or Isochron Scepter, something thats worth giving your opponent an extra mana so you dont need to deal with it
At the end of the game, she returns to the Land of Eidolons
Two mana for a 2/2 that gains you a life when it attacks is decent, and enables a lot of life gain synergies
Gaius van Baelsar Gaius is just very expensive for what he offers, as you are often getting significantly better than this for 4 mana in constructed, but he will be welcome in limited
Raffine, Scheming Seer Raffine, Scheming Seer is a significant option for a discard commander because of the sheer number of cards it pitches