Cheapest priced copy (Secrets of Strixhaven): $0.35 at Card Kingdom, near mint, their price list as of .
Thunderdrum Soloist 
Creature — Dwarf Bard · 1/3 · Uncommon · The List · #SOS-134
Reach
Opus — Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent. If five or more mana was spent to cast that spell, this creature deals 3 damage to each opponent instead.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| The List | SOS-134 | Uncommon | — | — |
| Secrets of Strixhaven | 134 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 20 March 2026An opus ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack.