Cheapest priced copy (Invasion): $0.35 at Card Kingdom, near mint, their price list as of .
Pulse of Llanowar 
Enchantment · Uncommon · Invasion · #202
If a basic land you control is tapped for mana, it produces mana of a color of your choice instead of any other type.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $0.35 to $5.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 202 | Uncommon | $0.35 | $5.99Out of stock |
3 rulings from Wizards of the Coast
- 4 October 2004This does not change the amount of mana gained. It just makes all the mana generated by the basic land be of a single color of your choice.
- 4 October 2004You can choose a different color each time a basic land is tapped.
- 4 October 2004You can choose the same color or mana the land would normally produce.