Cheapest priced copy (Foundations Jumpstart): $0.35 at Card Kingdom, near mint, their price list as of .
Dross Hopper 
Creature — Phyrexian Insect Horror · 2/1 · Common · Scars of Mirrodin · #60
Sacrifice a creature: This creature gains flying until end of turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
2 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Foundations Jumpstart | 428 | Common | $0.35 | — |
| Scars of Mirrodin | 60 | Common | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 January 2011You may sacrifice Dross Hopper to pay for its own ability. If you do, however, it won't gain flying because it won't be on the battlefield by the time the ability resolves.