Its also nice to have a 0-mana sacrifice outlet attached to a commander, though this one isnt nearly as powerful as the likes of Yawgmoth, Thran Physician
If youre playing enough creatures, Id definitely find room for Inga and Esika for extra mana and extra card draw
Activated abilities require a cost to use
Chingsung Chang Conelead most everywhere and on MTGO Khan32k5 at gmail dot com
According to the official Secrets of Strixhaven mechanics breakdown, when a Creature (it could be any permanent, but in Secrets of Strixhaven every card with Prepare is a Creature) becomes prepared , "a copy of its Prepare spell appears in exile

Aristocrats/Attrition Primary Colors: White, Black, Red Secondary Colors: Blue White: Martyr of Sands, Sigil of the New Dawn , Tethmos High Priest Blue: Marang River Prowler, Stitchers Apprentice Black: Apprentice Necromancer, Bloodflow Connoisseur, Shirei, Shizos Caretaker , Slum Reaper Red: Furnace Celebration , Hissing Iguanar, Magmaw, Malevolent Whispers (it has Madness, but doesnt seem to fit into that shell nearly as well, whereas here, you steal and then sacrifice creatures), Sparkspitter Green: Fecundity Colorless: Myr Servitor Multicolor: Angel of Despair, Garna, the Bloodflame These are three different archetypes under one umbrella (a theme youre going to see more of as we go), but all do the same thing: turn your creatures deaths into value