Magic: The Gatherings latest set, Strixhaven: School of Mages , introduced a couple of new educationally themed mechanics with Lesson spells and permanents that can Learn. Lesson spells are normal instant or sorcery spells
Im using Breya, Etherium Shaper here, but cards like Grave Titan and Wurmcoil Engine work too: Ashnod's Altar and Nim Deathmantle need to be in play
Assassin's Trophy & Lightning Helix Key reprints of really efficient removal spells, both Assassin's Trophy and Lightning Helix will shore up their rising color pairs in Standard
This means that Xancha will be causing problems for other players at the commander table regardless of whose she's attacking
There's several of them now, and definitely worth glomming together to make spell-spammy attack decks
Finally, its a form of massive card advantage since you can discard the lands for effects like Cathartic Reunion or Seismic Assault