Cheapest priced copy (Edge of Eternities): $0.35 at Card Kingdom, near mint, their price list as of .
Mm'menon, Uthros Exile 
Legendary Creature — Jellyfish Advisor · 1/3 · Uncommon · Edge of Eternities · #221
Flying
Whenever an artifact you control enters, put a +1/+1 counter on target creature.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Edge of Eternities | 221 | Uncommon | $0.35 | $0.49 |