https://metamagic.icmab.es/
METAMAGIC
metamagic
https://www.dndbeyond.com/forums/class-forums/sorcerer/211643-can-a-sorcerer-use-metamagic-on-a-spell-cast
can a sorcerer use metamagic on a spell cast through a magic item? - Sorcerer - Class Forums - D&D...
also what about wild magic?
spell castsorcererusemetamagicitem