Opus — Whenever you cast an instant or sorcery spell, this creature gets +1/+1 until end of turn. If five or more mana was spent to cast that spell, this creature also gains double strike until end of turn.
"Now, let your movements respond to the music! Yes, just like that!"
—Introduction to Interpretation
![Expressive Firedancer [Secrets of Strixhaven]](http://www.cardmerchanttakapuna.co.nz/cdn/shop/files/a129e3b5-b68c-51ce-9294-70d5293acaa2.png?v=1776351241&width=1445)