Stella Lee, Wild Card Stella Lee, Wild Card is spellslinging incarnate
Hiram Flaversham's little sister is Judy Hopps, Optimistic Officer, a cheaper card with a less powerful version of his ability
Theyre even better if you also make sure to include Curel Celebrant, Zulaport Cutthroat, and Bastion of Remembrance, all of which will help you win every game you land them in
The Sorcery spell could find a home in the Blue and Black Duskmourn archetype, though, which should end the game
The spell or activated ability uses the stack
Calix, Destinys Hand doesnt really fit any of these strategies, and I think paying four mana for a situational Banishing Light is risky, even if it does do more than that in certain situations