Psychic Allergy 
Enchantment
$3.12 #28423 0.12 32.2 years
As this enchantment enters, choose a color.
At the beginning of each opponent's upkeep, this enchantment 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 this enchantment unless you sacrifice two Islands.
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Cards similar to Psychic Allergy expected a card that isn't here?
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+1 more matching line
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