Cheapest priced copy (Invasion): $0.35 at Card Kingdom, near mint, their price list as of .
Quirion Trailblazer 
Creature — Elf Scout · 1/2 · Common · Invasion · #205
When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
1 printing · $0.35 to $4.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Invasion | 205 | Common | $0.35 | $4.99 |
2 rulings from Wizards of the Coast
- 4 October 2004The land does not count toward your normal limit of playing one land per turn.
- 4 October 2004Because the “search” requires you to find a card with certain characteristics, you don’t have to find the card if you don’t want to.