Cheapest priced copy (Avatar: The Last Airbender): $0.49 at Card Kingdom, near mint, their price list as of .
Seismic Sense 
Sorcery — Lesson · Uncommon · Avatar: The Last Airbender · #195
Look at the top X cards of your library, where X is the number of lands you control. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
Legal inCommanderBrawlStandardPioneerModernLegacyVintage
Not legal inPauper
1 printing · $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Avatar: The Last Airbender | 195 | Uncommon | $0.49 | $0.49 |