Frieren, Spell Collector

Frieren, Spell Collector gets +1/+1 for each instant, sorcery and/or enchantment card in your graveyard.

Whenever you cast an instant and/or sorcery spell,
other creatures you control get +1/+1 until end of
turn.

Whenever an opponent casts an instant and/or
sorcery spell, copy it. You may choose new targets
for the copy.