Cheapest priced copy (Commander 2020): $1.29 at Card Kingdom, near mint, their price list as of .
Murmuring Mystic 
Creature — Human Wizard · 1/5 · Uncommon · Guilds of Ravnica · #45
Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
9 printings · $1.29 to $9.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Commander 2020 | 118 | Uncommon | $1.29 | — |
| Commander Masters | 107 | Common | $1.79 | $2.49 |
| Game Night: Free-for-All | 32 | Uncommon | $1.49 | — |
| Guilds of Ravnica | 45 | Uncommon | $1.49 | $5.99 |
| Foundations Jumpstart | 107 | Uncommon | $1.49 | — |
| Outlaws of Thunder Junction Commander | 102 | Common | $1.49 | — |
| The List | GRN-45 | Uncommon | $1.49 | — |
| Ravnica Remastered | 51 | Uncommon | $1.49 | $2.49 |
| Special Guests | 151 | Mythic | $6.49 | $9.99 |
One ruling from Wizards of the Coast
- 5 October 2018Murmuring Mystic's triggered ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.