Frieren, Spell Collector

Frieren, Spell Collector gains +1/+1 for
each instant and/or sorcery card in your
graveyard.
Whenever you cast an instant or sorcery spell,
Frieren gets +1/+1. Other creatures you control
get +1/+1 until end of turn.
Whenever an opponent casts an instant or
sorcery spell, copy that spell. You may choose
new targets for the copy.