Energy Vortex #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 for each vortex counter on this enchantment.

: Put X vortex counters on this enchantment. Activate only during your upkeep.