Cheapest priced copy (Alliances): $5.49 at Card Kingdom, near mint, their price list as of .
Storm Cauldron 
Artifact · Rare · Classic Sixth Edition · #314
Each player may play an additional land during each of their turns.
Whenever a land is tapped for mana, return it to its owner's hand.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
4 printings · $5.49 to $279.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Classic Sixth Edition | 314 | Rare | $5.99 | — |
| Seventh Edition | 320 | Rare | $5.99Out of stock | — |
| Seventh Edition | 320★ | Rare | — | $279.99 |
| Alliances | 134 | Rare | $5.49 | — |
3 rulings from Wizards of the Coast
- 4 October 2004Having multiples of these on the battlefield means you can play an additional land for each one.
- 4 October 2004If a land is tapped for mana and sacrificed all in one action, it goes to the graveyard before the Cauldron can return it to the player’s hand.
- 4 October 2004If a land is tapped for mana, it is returned to its owner’s hand as a triggered ability.