Cheapest priced copy (Jumpstart 2022): $0.35 at Card Kingdom, near mint, their price list as of .
Devouring Swarm 
Creature — Insect · 2/1 · Common · Magic 2012 · #91
Flying
Sacrifice a creature: This creature gets +1/+1 until end of turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
3 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Jumpstart 2022 | 401 | Common | $0.35 | — |
| Foundations Jumpstart | 421 | Common | $0.35 | — |
| Magic 2012 | 91 | Common | $0.35 | $0.99 |