This beautiful artwork by Atsushi Furusawa shows her typing mysteriously on a computer with lines of code and charts showing on the screen , and with her hood up over her head, it gives the perfect feeling of something sinister
(If it would die, exile it instead.)
At the same time, because it could establish a quick advantage on the board with threats like Frenetic Efreet or the hard-to-deal-with Wildfire Emissary, even light control elements could help the deck hold the advantage until it was time for a game-ending Fireball or Earthquake (often thanks to an end-of-turn Impulse)
Classic spells like Diabolic Edict and Chainer's Edict are simple and efficient, while Liliana of the Veil provides a repeatable edict on a planeswalker body
Zhu reveals a pair of fives
Giada, Font of Hope $6.62 Giada, Font of Hope quickly became arguably the best angel commander, and Foundations brings this card back from Streets of New Capenna for another, longer Standard stint