Cheapest priced copy (Tenth Edition): $0.49 at Card Kingdom, near mint, their price list as of .
Flowstone Slide 
Sorcery · Rare · Ninth Edition · #186
All creatures get +X/-X until end of turn.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
4 printings · $0.49 to $2.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Tenth Edition | 203 | Rare | $0.49 | $1.49 |
| Ninth Edition | 186 | Rare | $0.49 | — |
| Ninth Edition | 186★ | Rare | — | $0.49 |
| Nemesis | 83 | Rare | $0.49 | $2.99 |