Expressive Firedancer
From Secrets of Strixhaven set
Expressive Firedancer
Creature — Human Sorcerer
2/2
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.
Rulings
- An opus ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack.