Cheapest priced copy (Mirage): $1.29 at Card Kingdom, near mint, their price list as of .
Energy Vortex 
Enchantment · Rare · Mirage · #64
As this enchantment enters, choose an opponent.
At the beginning of your upkeep, remove all vortex counters from this enchantment.
At the beginning of the chosen player's upkeep, this enchantment deals 3 damage to that player unless they pay {1} for each vortex counter on this enchantment.
{X}: Put X vortex counters on this enchantment. Activate only during your upkeep.
Legal inCommanderLegacyVintage
Not legal inBrawlStandardPioneerModernPauper
1 printing · $1.29 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Mirage | 64 | Rare | $1.29 | — |
One ruling from Wizards of the Coast
- 4 October 2004Does a flat 3 damage, not 3 damage per counter.