Cheapest priced copy (Battle for Zendikar): $0.35 at Card Kingdom, near mint, their price list as of .
Natural Connection 
Instant · Common · Battle for Zendikar · #179
Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
4 printings · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battle for Zendikar | 179 | Common | $0.35 | $0.49 |
| Commander 2020 | 184 | Common | $0.35 | — |
| Duel Decks: Nissa vs. Ob Nixilis | 13 | Common | $0.35 | — |
| The List | DDR-13 | Common | $0.35 | — |