Cheapest priced copy (Revised Edition): $0.99 at Card Kingdom, near mint, their price list as of .
Power Surge 
Enchantment · Rare · Fourth Edition · #216
At the beginning of each player's upkeep, this enchantment deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
12 printings · $0.99 to $499.99 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Unlimited Edition | 168 | Rare | $17.99 | — |
| 30th Anniversary Edition | 163 | Rare | $20.99 | — |
| 30th Anniversary Edition | 460 | Rare | $59.99 | — |
| Revised Edition | 170 | Rare | $0.99 | — |
| Fourth Edition Foreign Black Border | 216 | Rare | — | — |
| Fourth Edition | 216 | Rare | $0.99 | — |
| Collectors' Edition | 168 | Rare | $5.49Out of stock | — |
| Intl. Collectors' Edition | 168 | Rare | $3.99 | — |
| Foreign Black Border | 170 | Rare | — | — |
| Limited Edition Alpha | 167 | Rare | $499.99Out of stock | — |
| Limited Edition Beta | 168 | Rare | $149.99 | — |
| Summer Magic / Edgar | 170 | Rare | — | — |
One ruling from Wizards of the Coast
- 4 October 2004This card knows how many were untapped even if it was not on the battlefield at the beginning of the turn.