Cheapest priced copy (Battle for Zendikar): $0.35 at Card Kingdom, near mint, their price list as of .
Swell of Growth 
Instant · Common · Battle for Zendikar · #191
Target creature gets +2/+2 until end of turn. You may put a land card from your hand onto the battlefield.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $1.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Battle for Zendikar | 191 | Common | $0.35 | $1.49 |
One ruling from Wizards of the Coast
- 25 August 2015Putting a land onto the battlefield this way is not the same as playing a land. Swell of Growth doesn’t affect how many lands you can play from your hand during your turn.