Cheapest priced copy (Nemesis): $0.35 at Card Kingdom, near mint, their price list as of .
Harvest Mage 
Creature — Human Spellshaper · 1/1 · Common · Nemesis · #105
{G}, {T}, Discard a card: Until end of turn, if you tap a land for mana, it produces one mana of a color of your choice instead of any other type and amount.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Nemesis | 105 | Common | $0.35 | $0.99 |