Cheapest priced copy (Time Spiral): $0.35 at Card Kingdom, near mint, their price list as of .
Flowstone Channeler 
Creature — Human Spellshaper · 2/2 · Common · Time Spiral · #155
{1}{R}, {T}, Discard a card: Target creature gets +1/-1 and gains haste until end of turn.
Legal inCommanderModernLegacyVintagePauper
Not legal inBrawlStandardPioneer
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Time Spiral | 155 | Common | $0.35 | $0.49 |