Psychic Allergy

Enchantment -
As Psychic Allergy enters the battlefield, choose a color. <CR>
At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color he or she controls. <CR>
At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.

Enchantment -
As Psychic Allergy enters the battlefield, choose a color. <CR>
At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color they control. <CR>
At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.

Enchantment -
As Psychic Allergy comes into play, choose a color. <CR>
At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of cards of the chosen color he or she controls. <CR>
At the beginning of your upkeep, sacrifice Psychic Allergy unless you sacrifice two Islands.

Enchantment -
As Psychic Allergy enters the battlefield, choose a color. <CR>
At the beginning of each opponent's upkeep, Psychic Allergy deals X damage to that player, where X is the number of nontoken permanents of the chosen color he or she controls. <CR>
At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.