Psychic Allergy [DRK]

Psychic Allergy

Enchantment

As Psychic Allergy enters, choose a color.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.At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.