Drell, the Storms Muse

Hexproof
Whenever you cast or copy an instant or sorcery
spell except for the first instant or sorcery spell
you cast or copy each turn, create a 1/1 blue bird creature token with flying.
{b}, Sacrifice two creatures: Copy the next
instant or sorcery spell you cast this turn.
You may choose new targets for the copy.
Activate only as a sorcery.