Spellcasting (Charisma-based, full caster with a limited spells known list), Sorcerous Origin (subclass chosen at 1st level, reflects the source of your innate magic), Font of Magic (pool of Sorcery Points equal to your level, gained at 2nd; convert between slots and points), Metamagic (choose 2 options at 3rd level to twist spells — Quicken, Twin, Subtle, Heighten, etc.)