Energy Vortex

Enchantment, 3UU (5)
As Energy Vortex enters the battlefield, choose an opponent.
At the beginning of your upkeep, remove all energy counters from Energy Vortex.
At the beginning of the chosen player's upkeep, Energy Vortex deals 3 damage to that player unless he or she pays {1} for each energy counter on Energy Vortex.
{X}: Put X energy counters on Energy Vortex. Activate this ability only during your upkeep.¹
Illus. Tom Wänerstrand

Gatherer Card Rulings [Nov 2009]

• 10/4/2004: Does a flat 3 damage, not 3 damage per counter.

Format Legality	Legal in Vintage, Legacy Banned in Extended, Standard
Printings (1/6)	Mirage (Rare)