Cheapest priced copy (Guilds of Ravnica): $0.49 at Card Kingdom, near mint, their price list as of .
Narcomoeba 
Creature — Illusion · 1/1 · Rare · Guilds of Ravnica · #47
Flying
When this card is put into your graveyard from your library, you may put it onto the battlefield.
Legal inCommanderPioneerModernLegacyVintage
Banned inPauper
Not legal inBrawlStandard
8 printings · $0.49 to $32.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Future Sight | 54 | Uncommon | $2.29 | $32.99 |
| Guilds of Ravnica | 47 | Rare | $0.49 | $1.99 |
| Modern Masters | 55 | Uncommon | $0.69 | $1.49Out of stock |
| Guilds of Ravnica Promos | 47s | Rare | — | $1.99 |
| Ravnica Remastered | 451 | Uncommon | $2.99 | $3.49 |
| The Zeta Set | 26 | Common | — | — |
| The Zeta Set | 147 | Common | — | — |
| The Zeta Set | 268 | Common | — | — |
2 rulings from Wizards of the Coast
- 12 January 2024If Narcomoeba is revealed or looked at while moving from your library to your graveyard (such as with Mind Funeral), its ability will trigger when it's put into your graveyard. It was still in your library while it was revealed or being looked at.
- 12 January 2024If Narcomoeba is removed from your graveyard before its ability resolves, you can't put it onto the battlefield.