Cheapest priced copy (Conflux): $0.49 at Card Kingdom, near mint, their price list as of .
Gluttonous Slime 
Creature — Ooze · 2/2 · Uncommon · Conflux · #83
Flash
Devour 1 (As this creature enters, you may sacrifice any number of creatures. It enters with that many +1/+1 counters on it.)
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
3 printings · $0.49 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Conflux | 83 | Uncommon | $0.49 | $1.49 |
| Planechase 2012 | 65 | Uncommon | $0.59 | — |
| Planechase Anthology | 65 | Uncommon | $0.69 | — |