Cheapest priced copy (Deckmasters): $0.35 at Card Kingdom, near mint, their price list as of .
Lava Burst 
Sorcery · Common · Ice Age · #198
Lava Burst deals X damage to any target. If Lava Burst would deal damage to a creature, that damage can't be prevented or dealt instead to another permanent or player.
Legal inCommanderLegacyVintagePauper
Not legal inBrawlStandardPioneerModern
2 printings · $0.35 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Deckmasters | 16 | Common | $0.35 | — |
| Ice Age | 198 | Common | $0.35 | — |
2 rulings from Wizards of the Coast
- 1 October 2008Prevention and redirection effects will have no effect on damage dealt by Lava Burst to a creature. However, they will work on damage that Lava Burst would deal to a player.
- 1 October 2008A creature dealt damage by Lava Burst may be regenerated.