Cheapest priced copy (Duel Decks: Nissa vs. Ob Nixilis): $0.35 at Card Kingdom, near mint, their price list as of .
Seek the Horizon 
Sorcery · Uncommon · Khans of Tarkir · #150
Search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.
Legal inCommanderPioneerModernLegacyVintage
Not legal inBrawlStandardPauper
5 printings · $0.35 to $3.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Duel Decks: Nissa vs. Ob Nixilis | 20 | Uncommon | $0.35 | — |
| Khans of Tarkir | 150 | Uncommon | $0.35 | $0.49 |
| The List | DDR-20 | Uncommon | $0.35 | — |
| Return to Ravnica | 134 | Uncommon | $0.35 | $0.49 |
| Saviors of Kamigawa | 147 | Uncommon | $0.35 | $3.49 |