Cheapest priced copy (Conspiracy): $0.35 at Card Kingdom, near mint, their price list as of .
Grixis Illusionist 
Creature — Human Wizard · 1/1 · Common · Conflux · #29
{T}: Target land you control becomes the basic land type of your choice 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 |
|---|---|---|---|---|
| Conspiracy | 99 | Common | $0.35 | $0.49 |
| Conflux | 29 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 1 February 2009The affected land loses its existing land types and any abilities printed on it. It becomes the chosen basic land type and now has the ability to tap to add one mana of the appropriate color. Grixis Illusionist's ability doesn't change the affected land's name or whether it's legendary or basic.
- 1 February 2009You choose a basic land type as the ability resolves.