Cheapest priced copy (New Phyrexia): $0.35 at Card Kingdom, near mint, their price list as of .
Insatiable Souleater 
Artifact Creature — Phyrexian Beast · 5/1 · Common · New Phyrexia · #140
{G/P}: This creature gains trample until end of turn. ({G/P} can be paid with either {G} or 2 life.)
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| New Phyrexia | 140 | Common | $0.35 | $0.49 |