Psychic Allergy
fec3275e-4491-43a8-9f23-d7b48177c103
$1.00 CND
As Psychic Allergy enters the battlefield, 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 he or she controls.
At the beginning of your upkeep, destroy Psychic Allergy unless you sacrifice two Islands.