Cheapest priced copy (Onslaught): $0.35 at Card Kingdom, near mint, their price list as of .
Erratic Explosion 
Sorcery · Common · Planechase 2012 · #41
Choose any target. Reveal cards from the top of your library until you reveal a nonland card. Erratic Explosion deals damage equal to that card's mana value to that permanent or player. Put the revealed cards on the bottom of your library in any order.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
4 printings · $0.35 to $0.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Onslaught | 201 | Common | $0.35 | $0.99 |
| Planechase 2012 | 41 | Common | $0.35 | — |
| Planechase Anthology | 41 | Common | $0.35 | — |
| The List | PCA-41 | Common | $0.35 | — |
One ruling from Wizards of the Coast
- 4 October 2004If all your cards are lands, no damage is dealt.