
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.
Psychic Allergy has 1 printing, first in The Dark (1994). EDHREC ranks it #28,499 among Commander cards. It appears most in Blind Seer decks (153 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.